Simplify.x2 - x3 + 9x

A. 13x3
B. -5x3
C. 13x3
D. 14x3

Answer: C

Mathematics

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Simplify the expression using the order of operations.72 ÷ 7 × 3 + 5

A. 105 B. 16 C. 26 D. 14

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The function f is one-to-one. Find its inverse.f(x) = (x - 6)3

A. f-1(x) =  + 216
B. f-1(x) =  - 6
C. f-1(x) =  + 6
D. f-1(x) =  + 6

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A system of nonlinear equations is given. Sketch the graph of the equation of the system and then determine the number of real solutions to the system. Do not solve the system.x2 + y2 = 252y + x = 5

A. Two

B. Two

C. One

D. Zero

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Decompose the fraction into partial fractions. ? ?

A.
B.
C.
D.
E. none of these

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Mathematics