Factor by grouping.x2 + bx + 5b + 5x

A. (x + 5)(x + b)
B. x(x + b)
C. x(x + b) + 5
D. x(x + 5)

Answer: A

Mathematics

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A. y = 5
B. y = x3 - x2 + 4x + 5
C. y = x3 + x2 + 4
D. y = x3 - x2 + 4x + 5

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A.
B.
C.
D.

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What will be an ideal response?

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Using the horizontal-line test, determine whether the function is one-to-one.

A. one-to-one B. not one-to-one

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