Factor completely.10z2 - 11z - 6
A. (10z - 3)(z - 6)
B. (2z - 3)(5z + 2)
C. (2z + 3)(5z - 2)
D. (10z - 3)(z + 2)
Answer: B
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Find the maximum and minimum of the function f over the closed and bounded set S.f(x, y) = (x + y)2; S = {(x, y): +
? 1}
A. f(,
) = f(-
, -
) = 6; maximum. f(x, -x) = 0 for -
? x ? -
; minimum.
B. f(,
) = f(-
, -
) = 6; maximum. f(x, -x) = 0 for -
? x ?
; minimum.
C. f(,
) = 6; maximum. f(-
, -
) = 6; minimum.
D. f(,
) = 6; maximum. f(-
, -
) = -6; minimum.
Convert the polar equation to rectangular coordinates. r + cos? = 3
Find an explicit rule for the nth term of the sequence.The second and fifth terms of a geometric sequence are -24 and 1536, respectively.
A. an = 6 ? 4n B. an = 6 ? (-4)n-1 C. an = 6 ? (-4)n+1 D. an = 6 ? 4n-1
Using the graph below, sketch the graph of the given function. y = f(x + 2) -1
A.
B.
C.
D.