For the pair of functions, find the indicated sum, difference, product, or quotient.f(x) = 9 - 7x, g(x) = -4x + 7Find (f + g)(x).
A. -3x + 16
B. -4x + 9
C. 5x
D. -11x + 16
Answer: D
Mathematics
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A. 1166 B. 1170 C. 1176 D. 1186
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A. (-8, ?)
B. (-8, 8)
C. empty set 
D. the set of real numbers
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Use dimensional analysis to answer the question. If you are driving 46 mph in a 70-kph speed zone, are you driving over the speed limit, exactly at the speed limit, or below the speed limit?
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