Solve.Let g(x) = x2. Find a such that f(a) = 9.

A. -3
B. -3, 3
C. 3
D. 9

Answer: B

Mathematics

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Solve.For the geometric sequence 2, 1, , , ... , find an.

A. an = 2n-2
B. an = n-2

C. an = 1-n

D. an = 21-n

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Mathematics

Find a formula for the inverse of the function described below.32° Fahrenheit = 0° Celsius. A function that converts temperatures in Celsius to those in Fahrenheit is   .

A. f-1(x) = x + 32
B. f-1(x) = x + 32
C. f-1(x) = (x + 32)
D. f-1(x) = (x - 32)

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Mathematics

Simplify the expression.4 - 5(s - 7t)

A. 4 - 5s + 35t B. 4 + 5s + 35t C. 4 - 5s - 35t D. 4 + 5s - 35t

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Mathematics

Use the substitution method to solve the system.  x - 5y = -389x - 6y = -69

A. (-4, 8) B. (3, 8) C. (-3, 7) D. No solution

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Mathematics