Find the formula for df-1/dx.f(x) = (5 - x)3

A. - 
B. -3(5 - x)2
C. x2/3
D. 5 - x1/3

Answer: A

Mathematics

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Find the intersection.x + y + z = 8, x + y = 14

A. x = t, y = 14 - t, z = -6 B. x = -1, y = 1 + 14t, z = -6t C. x = -t, y = 14 + t, z = 6 D. x = -t, y = 14 + t, z = -6

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Solve by the substitution method.9x + 8y = 8 5x + 4y = 4

A. (0, 2) B. (-1, 2) C. No solution D. (0, 1)

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Multiply.

A.
B. - 
C. - 
D. - 

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State whether the function is linear or quadratic.f(x) = 4x

A. Linear B. Quadratic

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Mathematics