Evaluate the polynomial at the given value(s) of the variable(s).-5x3
x = -4
A. 320
B. -500
C. -320
D. 500
Answer: A
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Find the derivative of the function.y = ?4e-2? cos 2?
A. ?3e-2?(4 cos 2? - 2? cos 2? - 2? sin 2?) B. -2?3e-2? sin 2? C. ?3e-2?(4 cos 2? - 2 cos 2? + 2 cos 2?) D. -56?3e-2? sin 2?
Solve.A science student watching a group of ants moving along a straight line determines that their position x along the line as a function of time t is given by 
Give an equivalent expression for x(t) by factoring out a common factor.
A. x(t) = t(t3 + 3t2 + 32t) B. x(t) = t(t2 + 3t + 32) C. x(t) = t(t3 + 3t2 - 16t + 48) D. x(t) = t(t2 + 3t - 32)
Use the power rules to simplify the expression. Use positive exponents to write the answer.(8x4)-2
A. 
B. -16x4
C. 
D. 64x8
The region under the curve 
is rotated about the x-axis. Find the volume of the resulting solid. Select the correct answer.
