Question 14 Let g(x) = -5-6- Find ! (x) O-50-64-1 In 8 0-52.88-2 0-5.6" In 6...
Let X and Y have the following joint distribution: X/Y 0 1 2 0 5/50 8/50 1/50 2 10/50 1/50 5/50 4 10/50 10/50 0 Further, suppose σx = √(1664/625), σy = √(3111/2500) a) Find Cov(X,Y) b) Find p(X,Y) c) Find Cov(1-X, 10+Y) d) p(1-X, 10+Y), Hint: use c and find Var[1-X], Var[10+Y]
HELP Question 1 Let $(x)= 7x, g(x)=x+1. Find the composite function. (fog)(x) o(fºg)(x)= (x+1 o (fºg)(x) = (x+1 o (fog)(x)=x None of these o fºg)(x)=x+2 o fºg)(x)=2/x+1 Question 2 Let P(x) = 2x} + 7x2 – 8x +5. Use synthetic division to find the value P(10). O 5,250 O 2,625 O none of these O 2,624 O 2,626 Question 9 Let f(x)=x2+x, g(x)=x2 - 1. Find (f+g)(x). o (f+g)(x)=0 O None of these o (f+g)(x)=x+1 of+g)(x)=x+ +x-x2-x o (f+g)(x) =...
8. Let y = x2 cos x, Find y' 9. Let g(x) = -2 cos x, Find g'(x) 10. Find F(x) = (4x + 3)5, Find F'(x) BONUS QUESTION (15 POINTS Let y = (4x - 3)(x - 1)5; Find y"
Let g be the function defined by 1 if x < 6 g(x) = 2 - 6 if x 26. Find g(-6), g(0), g(6), and g(12). 9(-6) g(0) = 9(6) 9(12) =
Question 39 Let f(x)= 3x2 – 2. g(x) = 4x +4. Find the value of the function. (of)(4) o tof)(4) = 6,350 OVO (4) = 6,346 Ovo(4) = 6,348 ovo(4) = 6,347 OVO (4) = 6,345 O None of the above Question 40 1 pts Use Descartes' rule of signs to find the number of possible positive, negative, and nonreal roots for the following equation 8x° +11x2 + 3x + 5 = 0 O none of these O O positive:...
This Question: 1 pt Let f(x)= 3x² +5 and g(x) = - 5x+6. Find the following. (f-9)-3) (f-9)-3)=
2. let f(x) = 2x-5 and g(x) = x² +3. Find each of the following. (8 pts) - (3) a) b) (g-fcio c) (gof)(0) 2) (fog)x)
Question 14 Given f(x) = – 2x – 1 and g(x) = V2 – 9, find f (g-1(x)) = Submit Question x Question 15 Score on last try: 0 of 5 pts. See Details for more. Try a similar question You can retry this question below Let f(x) = 4 + vx – 4. Find f-1(x). f-1(x) = Now for fun, verify that (fo f-1)(x) = (f-10 f)(x) = = 2 Submit Question
Let f(x)=7x-8/3 and g(x)=3x+8/7. Find (f o g)(x) and (g o f)(x).
0.09/1 points Previous Answers SCalcET8 5.3.002. Let g(x)-f(t) dt, where f is the function whose graph is shown (a) Evaluate g(x) for x 0, 1, 2, 3, 4, 5, and 6 g(0)0 9(2)-8 g(3)-( 20 9(4)- 9(5) 9(6) ) g(6)- (b) Estimate g(7). (Use the midpoint to get the most precise estimate.) 9(7)- (c) Where does g have a maximum and a minimum value? minimum x= maximum x= (d) Sketch a rough graph of g. 7 83 gtx ry again....