Solve.3x + 7 = 7 (Approximate your answer to the nearest thousandth.)

A. x ? 1.410
B. x ? -0.477
C. x ? 7.565
D. x ? -5.229


Answer: D

Mathematics

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A. Identity B. Not an identity

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Let x be a number. Translate the English phrase or sentence into a mathematical expression. The difference of a number and -78

A. -78 - x B. -78 + x C. -78x D. x - (-78)

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Suppose that the function with the given graph is not f(x), but f'(x). Find the locations of all extrema, and tell whether each extremum is a relative maximum or minimum.

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Mathematics