Factor. Check by multiplying.9x + 24
A. 3(8x + 3)
B. 3(3x + 24)
C. 3(8x + 9)
D. 3(3x + 8)
Answer: D
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Write the first six terms of the geometric sequence with first term, a1, and common ratio, r.a1 = , r =
A. ,
,
,
,
, 2
B. ,
,
,
,
,
C. ,
,
,
, 2,
D. ,
,
,
,
,
Using the derivative of f(x) given below, determine the critical points of f(x).f'(x) = (x - 1)2(x + 4)
A. -4, -1, 1 B. -1, 4 C. -1, 0, 4 D. -4, 1
Find the constant of proportionality k, and write the linear function relating the two variables.Suppose that y varies inversely with x. When x = 7, then y = 4.
A. k = 28; y =
B. k = 28; y =
C. k = ; y =
x
D. k = ; y =
Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation. ? 0
A. (-?, 1] ? [3, ?)
B. (-?, -3] ? (-2, -1) ? [1, ?)
C. (-?, 1) ? (3, ?)
D. (-?, -3) ? (-1, ?)