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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Determine whether the two pairs of numbers are proportional.2.8, 4.3 and 4.5, 6.3
A. No B. Yes
Mathematics
Decide whether the equation is or is not an identity.sin 
= sin ? + cos ?
A. Identity B. Not an identity
Mathematics
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)
Mathematics
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.
A. Relative minima at -1 and 2 B. Relative maximum at 2 C. Relative minimum at 2 D. Relative minimum at 2
Mathematics