Find the derivative of the function.y = (cos 2x + tan x3)9
A. 9(cos 2x + tan x3)8(2 sin 2x + 3x2 cot2(x3))
B. 9(cos 2x + tan x3)8
C. 9(- sin 2x + 3x2 sec x3 tan x3)8
D. 9(cos 2x + tan x3)8(-2 sin 2x + 3x2 sec2(x3))
Answer: D
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Solve the equation 
for z.
?
A. There is no solution.
B. ?
C. 
D. ?
Evaluate the algebraic expression for the given values of the variables.6
+ 
for w = 100 and z = 36
A. 606 B. 66 C. 16 D. 12
Solve the problem.Jill is 14 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 2 kilometers per hour. They meet in 4 hours. How fast is Joe walking?
A. 1.5 kilometers per hour B. 2 kilometers per hour C. 3.5 kilometers per hour D. 2.5 kilometers per hour
Solve the rational inequality. Write the solution set using interval notation; then graph the solution set on a number line.
? 0
A. [-7, 3] ? (4, ?)
B. (-?, -7] ? [3, 4)
C. (-?, -7) ? (3, 4)
D. [3, 4)