Determine whether the function is a polynomial function.f(x) = -12x6 - 3x + 
A. Yes
B. No
Answer: B
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Find the volume of the described solid.The base of a solid is the region between the curve y = 5cos x and the x-axis from x = 0 to x = ?/2. The cross sections perpendicular to the x-axis are squares with diagonals running from the x-axis to the curve.
A. 
?
B. 
?
C. 6?
D. 
?
Solve the problem.A machinist has flat metal plate that is 5.560 cm thick. He laminates the metal plate with four more layers that are 4.739 cm, 4.460 cm, 3.293 cm, and 3.685 cm thick. He then grinds off 3.103 cm from the top of the plate, then 3.909 cm more, and finally another 7.999 cm. Find the new thickness of the plate.
A. 4.394 cm B. 20.750 cm C. 9.829 cm D. 6.726 cm
Simplify the expression.|8(-4)| - |1 - 10|
A. 41 B. -41 C. -23 D. 23
Find the x- and y-intercepts of f.f(x) = x2(x - 1)(x - 3)
A. x-intercepts: 0, -1, -3; y-intercept: 0 B. x-intercepts: 0, 1, 3; y-intercept: 3 C. x-intercepts: 0, 1, 3; y-intercept: 0 D. x-intercepts: 0, -1, -3; y-intercept: 3