For the pair of functions, find the indicated composition.f(x) = 6x + 8, g(x) = 5x - 1Find (f ? g)(x).

A. 30x + 14
B. 30x + 7
C. 30x + 39
D. 30x + 2

Answer: D

Mathematics

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A. period: 2?

B. period: 4?

C. period: 4

D. period: 4?

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Find the probability.A sample of 4 different calculators is randomly selected from a group containing 14 that are defective and 26 that have no defects. What is the probability that at least one of the calculators is defective?

A. 0.140 B. 0.164 C. 0.836 D. 0.821

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Solve. 15  + 2y = y2

A. 5, 3 B. 3, -5 C. 5, -3 D. -3, -5

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Evaluate the integral.dx

A.  - 3 tan-1 x +  ln(x2 + 1) + C
B.  - ln - 3 tan-1 x +  ln(x2 + 1) + C
C.  - ln  +  ln(x2 + 1) + C
D.  - ln - 5 tan-1 x + ln(x2 + 1) + C

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Mathematics