Evaluate the function.Find f(7.9) when f(x) = -4x + 0.10.

A. -31.5
B. 31.7
C. -31.7
D. -30.6


Answer: A

Mathematics

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Provide an appropriate response.Mentally divide by using powers of 10: 240 ÷ 10

A. 2.4 B. 24 C. 0 D. 2,400

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Use the rules for exponents to rewrite the expression and then evaluate the new expression. (72)-1 

A.
B. - 
C. -14
D. -49

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Find the center of the hyperbola. -  = 1

A. (-5, -2) B. (-1, -2) C. (-2, -5) D. (2, 5)

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Simplify.

A. 5
B. + 3
C. 14 + 3
D. + 21

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