Find a polynomial that represents the total surface area of the right circular cylinder, and use that polynomial to determine the total surface area of the following right circular cylinder that has a base with a radius of 4. Use 3.14 for 
, and express the answers to the nearest tenth.Let h = 7.
A. A = 176.1
B. A = 138.2
C. A = 326.1
D. A = 276.3
E. A = 226.1
Answer: D
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For the pair of functions, find the indicated sum, difference, product, or quotient.h(x) = x - 1, g(x) = 
Find (hg)(-4).
A. -3
B. does not exist
C. -5
D. -5 - 
Solve the problem.The graph shows the hours studied and the exam grades obtained on a finite math exam for 8 students. (The two points on the line do not represent any of the eight students.) The line of best fit, the line graphed on the coordinate system, can be used to approximate the test grade the average student receives for the number of hours they study. 
Find the equation of the line of best fit.
A. G = 
x - 50
B. G = 
x + 8
C. G = 
x + 50
D. G = 
x + 50
Find the area.
A. 225 m2 B. 112.5 m2 C. 60 m2 D. 30 m2
Graph the parametric equations.x = 3 sin 2t, y = 3 cos t; 0 ? t ? 2?
A. 
B. 
C. 
D. 