Solve the problem.If f(x) = 4x3 + 2x2 - x + C and f(3) = 1, what is the value of C?

A. C = -122
B. C = 94
C. C = -20
D. C = 130


Answer: A

Mathematics

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Give the specific equation relating the variables after evaluating the constant of proportionality for the given set of values.A varies directly as the square of B, and A = 6 when B = 72.

A. A = 
B. A = 
C. A = 
D. A = 864B2

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Solve for k if the line through the two given points is to have the given slope.(5, 5) and (8, k), m = - 

A. k = -3
B. k = - 
C. k = 3
D. k = 

Mathematics

Graph the function.y = -tan (x + ?)

A.

B.

C.

D.

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Use the quadratic formula to solve the equation. Give both exact and approximate answers.4n2 = -10n - 3

A. -0.349-2.151
B. -1.599-3.401
C. 0.271-2.771
D. -0.174-1.076 

Mathematics