Graph the polar equation.r sin ? = 4

A.

B.

C.

D.

Answer: A

Mathematics

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The function f is one-to-one. Find its inverse.f(x) = x2 - 1, x ? 0

A.  f-1(x) =  + 1, x ? 0
B. f-1(x) = , x ? 1
C.  f-1(x) =  + 1, x < 0
D. f-1(x) = , x ? -1

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Mathematics

Identify the percent p, base b, and amount a. Do not solve for the unknown.What is 44% of 207?

A. 44; b; 207 B. 44; 207; a C. p; 207; 44 D. 207; b; 44

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Mathematics

Use a graphing calculator to graph the piecewise-defined function, using the window indicated.f(x) = ; window [-4, 6] by [-2, 8]

A.

B.

C.

D.

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Mathematics

If possible, find the matrix product.Given A = , find A2.

A.
A2 = 
B.
A2 = 
C.
A2 = 
D.
A2 = 

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Mathematics