Find the y-intercepts and any x-intercepts.y = x2 + 4x + 8
A. y-intercept (0, 8), no x-intercepts
B. no y-intercept, no x-intercept
C. y-intercept (0, 8), x-intercept (-4, 0)
D. y-intercept (0, 8), x-intercept (2, 0)
Answer: A
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Decide whether or not the given equation is an identity.
= cos ? csc2 ?
A. Yes B. No
Find the location of the indicated absolute extremum for the function.Maximum
A. x = -4
B. x = 
C. No maximum
D. x = 0
Solve the problem.Which of the following polynomial functions might have the graph shown in the illustration below? 
A. f(x) = x(x - 2)2(x - 1) B. f(x) = x2(x - 2)(x - 1) C. f(x) = x(x - 2)(x - 1)2 D. f(x) = x2(x - 2)2(x - 1)2
Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.Assume that the volume of the earth is 5 × 1014 cubic meters and the volume of a bacterium is 
cubic meters. If the earth could be filled with bacteria, how many would it contain?
A. 5.0 × 10-31 bacteria B. 2.0 × 10-30 bacteria C. 5.0 × 1031 bacteria D. 2.0 × 1030 bacteria