Find the derivative.f(x) = cos e2x
A. e2x cos e2x
B. -2e2xsin e2x
C. -2 sin e2x
D. 2e2x sin e2x
Answer: B
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29.4 × 8.8
A. 258.72 B. 259.82 C. 38.2 D. 258.83
Without graphing the function, determine its amplitude or period as requested.y = cos 3xFind the period.
A. 3
B. 1
C. 2?
D. 
Solve the problem.Find the center and the scale factor of the size transformation shown below.
A. Center S; scale factor 3/4 B. Center T; scale factor 3/4 C. Center S; scale factor 4/3 D. Center T; scale factor 1/2
Solve by graphing. Label the axes and show where the solution is located on the graph.The cost of a car rental is $12 plus $0.25 for each mile the car is driven. The cost, c, in dollars of the rental is given by the linear equation c = 12 + 0.25m, where m is the number of miles driven. (a) Find the missing coordinate for the ordered pair 
which corresponds to driving 34 miles. (b) In addition to the ordered pair from part (a), find at least two more ordered pairs and use these to graph the equation.
A. (a) (34, 17)
(b)
B. (a) (34, 37)
(b)
C. (a) (34, 26)
(b)
D. (a) (34, 21)
(b)