Solve the problem.The graph of y = f(x) in the accompanying figure is made of line segments joined end to end. Graph the derivative of f.  

A.

B.

C.

D.


Answer: A

Mathematics

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Perform the indicated operations and simplify the result. Leave the numerator and denominator in your answer in factored form.

A.  
B. 15x(x + 9)
C.  
D.  

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Find the y-intercept of the polynomial function.f(x) = 7x - x3

A. 7 B. -7 C. -1 D. 0

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Solve the problem.Find the perimeter. Approximate the result to the nearest tenth using 3.14 for ?. 3 m

A. 26.4 m B. 29.4 m C. 24.7 m D. 21.7 m

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Use the vectors u and v to find (-2u) × v. ?   ?

A.
B.
C. ?
D.
E.

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