Determine the equation of variation. 

A. y = -x + 13
B. y = 
C. y = 12x
D. y = 


Answer: B

Mathematics

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Expand.(1 - )4 - (1 + )4

A. -56
B. -48
C. -11
D. -111

Mathematics

What is the minimum value of ? Restrict your attention to the horizontal span of 0 to 10. Round your answer to two decimal places. ?

A. 2.09 B. 10.03 C. 0.75 D. 13.45

Mathematics

Find the domain of the composite function f ? g.f(x) = ; g(x) = 

A. all real numbers
B. {x | x ? 2}
C. {x| x ? 2}
D.

Mathematics

Evaluate by using scientific notation and the laws of exponents. Leave you answer in scientific notation.(0.0075)(0.0000008)(0.001)

A. 6.0 × 10-11 B. 6.0 × 10-14 C. 6.0 × 10-12 D. 6.0 × 10-13

Mathematics