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(2) The value of an automobile purchased in 2009 can be approximated by the function V(t)...
For the function f (x) = 2 - $220 + 4x& , show supporting work for...
For the function f (x) = 2 - $220 + 4x& , show supporting work for each of the following questions. Wherever possible, leave your work and answer in exact form. A desmos calculator is permitted for confirmation. 1. Use the 3.1 rules of differentiation to find the slope of f (x) at x = 1. (This means that the product, quotient, and chain rules are not available yet.) 2. Find an equation of the tangent line using your derivative...
Retail revenue each year from internet shopping is approximated by the function .TR(t)=0.075t^3+0.025t^3+2.4 where TR(t)is measured...
Retail revenue each year from internet shopping is approximated by the function .TR(t)=0.075t^3+0.025t^3+2.4 where TR(t)is measured in billions of dollars andtis measured in years, with t=0 corresponding to the beginning of the year 2000. a)Find an expression giving the rate of change of the retail revenue per year from internet shopping at any timet. b)Is on-line retail revenue increasing or decreasing over time? Explain your answer.
The equation V = 30100 ( 0.92 )^t represents the value (in dollars) of a car...
The equation V = 30100 ( 0.92 )^t represents the value (in dollars) of a car t years after its purchase. Use this equation to complete the statements below. The value of this car is [increasing/decreasing] at a rate of [dollars per year, percent per mile, percent, percent per year, years, dollars] The purchase price of the car was _______ [years, percent, percent per mile, percent per year, dollars per year, dollars].
2. Find the equation of the tangent line to f(x)=- V13 - 3x at the point...
2. Find the equation of the tangent line to f(x)=- V13 - 3x at the point x = -3. Express slope and coordinates using exact (radical) form or if using decimal fractions round to at least 3 decimal places. You may leave your equation in point-slope form to save time. (4 points)
The number of hours, ,of daylight in Madrid as a function of date is approximated by the formula ...
The number of hours, ,of daylight in Madrid as a function of date is approximated by the formula H-12 + 2.4sin [0.0172 (t-80)]. where is the number of days since the start of the year. Assume that the year is not a leap year. Round your answers to one decimal place. Find the average number of hours of daylight in Madrid: (a) in January 9.6 (b) in June (c) over a year hours, hours, hours. The value, V , of...
The price per share of a stock can be approximated by the function S(t) = (27...
The price per share of a stock can be approximated by the function S(t) = (27 - 4t) +20, where t is time (in years) since the stock was purchased. Find the average price of the stock over the first 8 years. Round the answer to two decimal places if necessary. A. $341.33 B. $64.27 C. $31.50 D. $42.67 urse
2. To graphically represent the value of t, based on your data, consider equation 8: V.(t)...
2. To graphically represent the value of t, based on your data, consider equation 8: V.(t) = Voerc Because RC = t, this is equivalent to Vi(t) = Voez. Taking the natural logarithm of both sides yields In(V.) = (-1)+ + In(Vo) (Recall that In(ex) = x and In(ab) = In(a) + In(b)). Observe that this has the form of a linear equation y = mx + b for which y = ln(Vc), x=t, the slope m= (-), and the...
Write an expression for the instantaneous voltage V(t) delivered by an ac generator supplying 120 V...
Write an expression for the instantaneous voltage V(t) delivered by an ac generator supplying 120 V rms at 60 Hz. Assume the voltage is 0 at time t = 0, and leave the factors in exact form; do not round their values, write the argument of the sinusoidal function to have units of radians, but omit the units.
UZ. Onune quiz #4 Time Remaining:00 This Question: 1 pt 2 of 6 (0 complete) This...
UZ. Onune quiz #4 Time Remaining:00 This Question: 1 pt 2 of 6 (0 complete) This Find an equation of the line tangent to the curve at the point corresponding to the given value of t x=8²-2, y =q² + 2t, t=2 Type an equation. Simplify your answer. Type your answer in slope-intercept form. Type an exact answer. Use integers or fractions for any numb
Write an expression for the instantaneous voltage ?(?)V(t) delivered by an ac generator supplying 130 V130...
Write an expression for the instantaneous voltage ?(?)V(t) delivered by an ac generator supplying 130 V130 V rms at 70 Hz.70 Hz. Assume the voltage is 00 at time ?=0,t=0, and leave the factors in exact form; do not round their values. Write the argument of the sinusoidal function to have units of radians, but omit the units
For the function f (x) = 2 - $220 + 4x& , show supporting work for each of the following questions. Wherever possible, leave your work and answer in exact form. A desmos calculator is permitted for confirmation. 1. Use the 3.1 rules of differentiation to find the slope of f (x) at x = 1. (This means that the product, quotient, and chain rules are not available yet.) 2. Find an equation of the tangent line using your derivative...
2. Find the equation of the tangent line to f(x)=- V13 - 3x at the point x = -3. Express slope and coordinates using exact (radical) form or if using decimal fractions round to at least 3 decimal places. You may leave your equation in point-slope form to save time. (4 points)
The number of hours, ,of daylight in Madrid as a function of date is approximated by the formula H-12 + 2.4sin [0.0172 (t-80)]. where is the number of days since the start of the year. Assume that the year is not a leap year. Round your answers to one decimal place. Find the average number of hours of daylight in Madrid: (a) in January 9.6 (b) in June (c) over a year hours, hours, hours. The value, V , of...
The price per share of a stock can be approximated by the function S(t) = (27 - 4t) +20, where t is time (in years) since the stock was purchased. Find the average price of the stock over the first 8 years. Round the answer to two decimal places if necessary. A. $341.33 B. $64.27 C. $31.50 D. $42.67 urse
2. To graphically represent the value of t, based on your data, consider equation 8: V.(t) = Voerc Because RC = t, this is equivalent to Vi(t) = Voez. Taking the natural logarithm of both sides yields In(V.) = (-1)+ + In(Vo) (Recall that In(ex) = x and In(ab) = In(a) + In(b)). Observe that this has the form of a linear equation y = mx + b for which y = ln(Vc), x=t, the slope m= (-), and the...
Write an expression for the instantaneous voltage V(t) delivered by an ac generator supplying 120 V rms at 60 Hz. Assume the voltage is 0 at time t = 0, and leave the factors in exact form; do not round their values, write the argument of the sinusoidal function to have units of radians, but omit the units.
UZ. Onune quiz #4 Time Remaining:00 This Question: 1 pt 2 of 6 (0 complete) This Find an equation of the line tangent to the curve at the point corresponding to the given value of t x=8²-2, y =q² + 2t, t=2 Type an equation. Simplify your answer. Type your answer in slope-intercept form. Type an exact answer. Use integers or fractions for any numb
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