Use the fact that the trigonometric functions are periodic to find the exact value of the expression. Do not use a calculator.sec 

A. -
B. - 
C.
D. -2


Answer: A

Mathematics

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The height of a staircase is a linear function of the number of steps.

Answer the following statement true (T) or false (F)

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Find the composition. If f(x) = x2 + 6x and g(x) = x + 2, find ( g ? f)(4)

A. 72 B. 42 C. 44 D. 240

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Identify any vertical, horizontal, or oblique asymptotes in the graph of y = f(x). State the domain of f.

A. Vertical: x = -1; horizontal: y = ± 2; (-?, -2) ? (-2, 2) ? (2, ?) B. Vertical: x = ± 2; horizontal: y = -1; (-?, -2) ? (-2, 2) ? (2, ?) C. Vertical: x = ± 2; horizontal: y = -1; (-?, -2) ? (-2, ?) D. Vertical: x = -1; horizontal: y = ± 2; (-?, -1) ? (-1, ?)

Mathematics

Provide an appropriate response.Find the present value of a future value of $325 due in 10 years at an A.P.R. of 5.3% compounded semiannually.

What will be an ideal response?

Mathematics