Decide whether or not the functions are inverses of each other.f(x) = , x ? -9; g(x) = x2 + 9

A. Yes
B. No


Answer: B

Mathematics

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Solve the problem.The graphs below show the first and second derivatives of a function . Select a possible graph f that passes through the point P.f'?f"?

A.

[NOTE: Graph vertical scales
may vary from graph to graph.]
B.

[NOTE: Graph vertical scales
may vary from graph to graph.]
C.

[NOTE: Graph vertical scales
may vary from graph to graph.]
D.

[NOTE: Graph vertical scales
may vary from graph to graph.]

Mathematics

Solve the problem.The lifetime of an appliance that costs $100 is exponentially distributed with a mean of 2 years. The manufacturer gives a full refund if the appliance fails in the first year following its purchase. If the manufacturer sells 300 printers, how much should it expect to pay in refunds?

A. $18,196 B. $10,624 C. $11,804 D. $118

Mathematics

Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.5logbq - logbr

A. logb()
B. logb
C. logbq5 ÷ logbr
D. logb(q5 - r)

Mathematics

For the complex fraction, determine the LCD of all the fractions appearing within the expression.

A. x(x - 12) B. x C. x(x - 2) D. x - 2

Mathematics