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Question 10 (multiple choice) The distance y that a particular object can travel in x seconds...
QUESTION 9 Find the domain and range and describe the level curves for the function f(x,y) y+10 1(x, y)s a.Domain:...
QUESTION 9 Find the domain and range and describe the level curves for the function f(x,y) y+10 1(x, y)s a.Domain: all points in the x-y plane excluding x O: range: all real numbers; level curves: parabolas y ex2-10 b. Domain all points in the xey plane; range: real numbersz 0: level curves: parabolas y- ex2- 10 Domain :all points in the x-y plane; range: all real numbors; levol curvos: parabolas y ex2-10 d. Domain all points in the x-y plane...
please answer all parts CORRECTLY. this is 1 complete problem w/ multiple parts. please do all...
please answer all parts CORRECTLY.
this is 1 complete problem w/ multiple parts. please do all
.
thank u for your help.
For the quadratic function f(x) = 2x2 - x +5, answer parts (a) through (1) (a) Find the vertex and the axis of symmetry of the quadratic function, and determine whether the graph is concave up or concave down. The vertex is 0 (Simplify your answer. Type an ordered pair, using integers or fractions.) What is the equation...
When an object is dropped straight down, the distance in feet) that it travels in t...
When an object is dropped straight down, the distance in feet) that it travels in t seconds is given by s(t) = - 1612. Find the velocity at each of the following times. a. After 2 seconds. b. After 6 seconds. c. After 10 seconds. d. Find the acceleration. a. The velocity after 2 seconds is ft/sec. Sketch the graph of the given function by determining the appropriate information and points from the first and second derivatives. y = x2...
8. Multiple Choice Question Suppose the reaction time at a traffic light that a driver takes...
8. Multiple Choice Question Suppose the reaction time at a traffic light that a driver takes to brake is normally distributed with mean = 1.25 seconds and standard deviation o = 0.2 seconds. What is the probability that the time to react to a red traffic light will be larger than 1.75 seconds? A. 0.1054 B. 0.2397 C. 0.3456 D. 0.0062 E. 0.0538 9. Multiple Choice Question Consider the discrete random variables X and Y with the following joint probability...
This Question: 1 pt 1 of 2 (0 complete For fx)-9x + 6 and gx)x find...
This Question: 1 pt 1 of 2 (0 complete For fx)-9x + 6 and gx)x find the following composite functions and state the domain of each. (a) fog (b) gof (c) fof (d) gog (a) (fog)(x)-□ (Simplify your answer.) Select the correct choice below and, if necessary, fill in the answer box within your choice. O A. The domain offog is (lD (Type an inequality. Use integers or fractions for any numbers in the expression. Use a comma to separate...
10. Multiple Choice Question It is known that a particular company produces products of which 30%...
10. Multiple Choice Question It is known that a particular company produces products of which 30% are defective. We select items at random and identify it as being defective or not. Calculate the probability that the sixth selected item will be the 3rd defective. A. 0.38282 B. 0.09261 C. 0.24518 D. 0.75494 E. none of the above 11. Multiple Choice Question Let X1,..., X10 be a random sample from a population with mean y and variance o?. Consider the following...
Question 13 4 pts Solve the problem. Find F '(x) if Flx)= dt Question 14 4...
Question 13 4 pts Solve the problem. Find F '(x) if Flx)= dt Question 14 4 pts Find the domain and range and describe the level curves for the function f(xy). fix. y)-25-2 O Domain all points in the xy-plane; range real numbers 0szs S; level curves: circles with centers at (0.0) and radi r,0<rs5 Domain all points in the xy-plane satistyingx2 y2s25;range: real numbers 0 szs 5: level curves: circles with centers at (0.0) and radi r. 0crs5 O...
This Question: 1 pt -1 The function f(x) = 5 + 1 is one-to-one. (a) Find...
This Question: 1 pt -1 The function f(x) = 5 + 1 is one-to-one. (a) Find the inverse off and check the answer (b) Find the domain and the range of fandf (a) f(x)=0 (Simplify your answer) (b) Find the domain off. Select the correct choice below and, if necessary, fill in the answer box to complete your cho O A. The domain is {xIx*} OB. The domain is {xlxs) OC. The domain is {xlx2 OD. The domain is the...
For the given function, complete parts (a) through (f) below. f(x,y) = -(22+272) (a) Find the...
For the given function, complete parts (a) through (f) below. f(x,y) = -(22+272) (a) Find the function's domain. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The domain is all points (x,y) satisfying (Simplify your answer. Type an inequality.) OB. The domain is the entire xy-plane (b) Find the function's range. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O...
3. Multiple Choice Question Consider the discrete random variables X and Y with the following joint...
3. Multiple Choice Question Consider the discrete random variables X and Y with the following joint probability mass function: y fxy(x,y) -1 0 1/8 0 -1 1/4 0 0 1/8 -1 1 1/8 -1 1/8 Given that X is not negative, what is the probability that Y is also not negative? 1 1 A. 0.5 B. 0.8 C. 0.4 D. 0.25 E. none of the preceding
QUESTION 9 Find the domain and range and describe the level curves for the function f(x,y) y+10 1(x, y)s a.Domain: all points in the x-y plane excluding x O: range: all real numbers; level curves: parabolas y ex2-10 b. Domain all points in the xey plane; range: real numbersz 0: level curves: parabolas y- ex2- 10 Domain :all points in the x-y plane; range: all real numbors; levol curvos: parabolas y ex2-10 d. Domain all points in the x-y plane...
please answer all parts CORRECTLY.
this is 1 complete problem w/ multiple parts. please do all
.
thank u for your help.
For the quadratic function f(x) = 2x2 - x +5, answer parts (a) through (1) (a) Find the vertex and the axis of symmetry of the quadratic function, and determine whether the graph is concave up or concave down. The vertex is 0 (Simplify your answer. Type an ordered pair, using integers or fractions.) What is the equation...
When an object is dropped straight down, the distance in feet) that it travels in t seconds is given by s(t) = - 1612. Find the velocity at each of the following times. a. After 2 seconds. b. After 6 seconds. c. After 10 seconds. d. Find the acceleration. a. The velocity after 2 seconds is ft/sec. Sketch the graph of the given function by determining the appropriate information and points from the first and second derivatives. y = x2...
8. Multiple Choice Question Suppose the reaction time at a traffic light that a driver takes to brake is normally distributed with mean = 1.25 seconds and standard deviation o = 0.2 seconds. What is the probability that the time to react to a red traffic light will be larger than 1.75 seconds? A. 0.1054 B. 0.2397 C. 0.3456 D. 0.0062 E. 0.0538 9. Multiple Choice Question Consider the discrete random variables X and Y with the following joint probability...
This Question: 1 pt 1 of 2 (0 complete For fx)-9x + 6 and gx)x find the following composite functions and state the domain of each. (a) fog (b) gof (c) fof (d) gog (a) (fog)(x)-□ (Simplify your answer.) Select the correct choice below and, if necessary, fill in the answer box within your choice. O A. The domain offog is (lD (Type an inequality. Use integers or fractions for any numbers in the expression. Use a comma to separate...
10. Multiple Choice Question It is known that a particular company produces products of which 30% are defective. We select items at random and identify it as being defective or not. Calculate the probability that the sixth selected item will be the 3rd defective. A. 0.38282 B. 0.09261 C. 0.24518 D. 0.75494 E. none of the above 11. Multiple Choice Question Let X1,..., X10 be a random sample from a population with mean y and variance o?. Consider the following...
Question 13 4 pts Solve the problem. Find F '(x) if Flx)= dt Question 14 4 pts Find the domain and range and describe the level curves for the function f(xy). fix. y)-25-2 O Domain all points in the xy-plane; range real numbers 0szs S; level curves: circles with centers at (0.0) and radi r,0<rs5 Domain all points in the xy-plane satistyingx2 y2s25;range: real numbers 0 szs 5: level curves: circles with centers at (0.0) and radi r. 0crs5 O...
This Question: 1 pt -1 The function f(x) = 5 + 1 is one-to-one. (a) Find the inverse off and check the answer (b) Find the domain and the range of fandf (a) f(x)=0 (Simplify your answer) (b) Find the domain off. Select the correct choice below and, if necessary, fill in the answer box to complete your cho O A. The domain is {xIx*} OB. The domain is {xlxs) OC. The domain is {xlx2 OD. The domain is the...
For the given function, complete parts (a) through (f) below. f(x,y) = -(22+272) (a) Find the function's domain. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The domain is all points (x,y) satisfying (Simplify your answer. Type an inequality.) OB. The domain is the entire xy-plane (b) Find the function's range. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O...
3. Multiple Choice Question Consider the discrete random variables X and Y with the following joint probability mass function: y fxy(x,y) -1 0 1/8 0 -1 1/4 0 0 1/8 -1 1 1/8 -1 1/8 Given that X is not negative, what is the probability that Y is also not negative? 1 1 A. 0.5 B. 0.8 C. 0.4 D. 0.25 E. none of the preceding
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