Determine the domain and the range of the function.f(x) = -x2 + 8x
A. domain: {x|x? -4}
range: {y|y ? 16}
B. domain: all real numbers
range: {y|y ? -16}
C. domain: {x|x ? 4}
range: {y|y ? 16}
D. domain: all real numbers
range: {y|y ? 16}
Answer: D
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Solve the problem.Let sk denote the kth partial sum of the alternating harmonic series. Compute 
, 
, and 
. Which of these is closest to the exact sum (ln 2) of the alternating harmonic series?
A. 
B. 
C. 
Solve the problem.Use Newton's Law of Cooling to find the temperature in the following case. A loaf of bread is removed from an oven at 
and cooled in a room whose temperature is 
. If the bread cools to 
in 20 minutes, how much longer will it take the bread to cool to 
A. ? 16 minutes B. ? 23 minutes C. ? 3 minutes D. ? 4 minutes
Find an equation of the line having the specified slope and containing the indicated point. Write your answer in slope-intercept form.m = -3; (0, 9.4)
A. f(x) = -3x - 9.4 B. f(x) = -3x + 9.4 C. f(x) = 9.4x - 3 D. f(x) = 9.4x + 3
Plot the point.(0, 5)
A. 
B. 
C. 
D. 