Match the function with its graph.1) y = - tan 2) y = tan 3) y = - cot 4) y = cot A)B)?

height="200" width="200" />C)D)?



A. 1C, 2B, 3D, 4A

B. 1A, 2B, 3C, 4D

C. 1D, 2A, 3C, 4B

D. 1A, 2D, 3B, 4C

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Answer: C

Mathematics

Find the inverse of the function.f(x) =   for x ? 5

A. f-1(x) = x + 5 B. f-1(x) = x2 - 5 C. f-1(x) = x2 + 5 D. Not invertible

Translate the phrase to an algebraic expression.two times the sum of a number and four 

A. (2 + 4)x B. 2(x + 4)  C. 2 + 4 ? x  D. 2 ? 4 + x 

Calculate the derivative of the function. Then find the value of the derivative as specified.g(x) = x3 + 5x; g '(1)

A. g '(x) = 3x2; g '(1) = 3 B. g '(x) = 3x2 + 5x; g '(1) = 8 C. g '(x) = x2 + 5; g '(1) = 6 D. g '(x) = 3x2 + 5; g '(1) = 8

Find the area of the geometric figure.

A. 12.25 sq mi B. 14 sq mi C. 24.5 sq mi D. 7 sq mi