Add or subtract. Express the answer as a mixed number.16 + 15

A. 16
B. 30
C. 32
D. 31

Answer: D

Mathematics

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Find the absolute maximum and minimum values of the function on the given curve.Function:    curve:      (Use the parametric equations    

A. Absolute maximum: 2 at    absolute minimum: - 4 at  
B. Absolute maximum: 2 at    absolute minimum: - 2 at  
C. Absolute maximum: 4 at    absolute minimum: - 4 at  
D. Absolute maximum: 4 at    absolute minimum: - 2 at  

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Mathematics

Graph the given function as a solid line (or curve) and its inverse as a dashed line (or curve) on the same set of axes.f(x) = -7x + 4

A.

B.

C.

D.

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Mathematics

Find the exact value of the expression if ? = 30°. Do not use a calculator.f(?) = sin ?Find f(?).

A.
B.
C.
D.

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Mathematics

Use a half-angle formula to find the exact value of the expression.cos 

A. - 
B. - 
C.
D.

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Mathematics