Factor completely. If the polynomial cannot be factored, say it is prime.2x3 + 2x2 - 40x
A. 2x(x + 4)(x - 5)
B. 2x(x - 4)(x + 5)
C. (x - 4)(2x2 + 10)
D. (2x2 + 8x)(x - 5)
Answer: B
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Use the Concavity Theorem to determine where the given function is concave up and where it is concave down. Also find all inflection points.h(z) = 
z3 - 12z2 + 10z + 46
A. Concave down for all z; no inflection points B. Concave up on (-?, 0) ? (3, ?), concave down on (0, 3); inflection points (0, 46), (3, 4) C. Concave up on (-?, 3), concave down on (3, ?); inflection point (3, 4) D. Concave up on (3, ?), concave down on (-?, 3); inflection point (3, 4)
Divide.
A. 2k B. 5k2 C. 2k2 D. 5
Find the average rate of change for the function between the given values.f(x) = x3 + x2 - 8x - 7; from 0 to 2
A. 
B. -28
C. - 
D. -2
Write sigma notation.4 + 8 + 16 + 32 + 64
A. 
B. 
C. 
D. 