Solve the problem.Suppose that f(x) = -x - 7 and g(x) = x - 16.(a) Solve f(x) > 0.(b) Solve g(x) > 0.(c) Solve f(x) ? g(x).
A. (a) x > 7; (b) x > 16; (c) x > 4.5
B. (a) x < -7; (b) x < -16; (c) x ? 4.5
C. (a) x < -7; (b) x < 16; (c) x ? -11.5
D. (a) x < -7; (b) x > 16; (c) x ? 4.5
Answer: D
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A. 
B. - 
C. -23
D. 23
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A. (y - 5)(y - 4) B. (y - 5)(y + 4) C. (y + 20)(y + 1) D. (y + 5)(y + 4)
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find the range (to the nearest tenth) of the Fahrenheit temperature when the range of the Celsius temperature is between 3°C and 10°C, inclusive.
A. Between 33.7°F and 32.8°F, inclusive B. Between 21.4°F and 34°F, inclusive C. Between 37.4°F and 50°F, inclusive D. Between 5.4°F and 18°F, inclusive
Solve the system using substitution.
A. no solution B. (0, -5) C. (0, -4) D. (-1, -4)