Determine the domain and the range of the function.f(x) = -x2 + 6x - 8
A. domain: all real numbers
range: {y|y ? -1}
B. domain: all real numbers
range: {y|y ? 1}
C. domain: {x|x ? -3}
range: {y|y ? 1}
D. domain: all real numbers
range: all real numbers
Answer: B
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Solve the problem.Suppose that the radius r and volume V = 
?r3 of a sphere are differentiable functions of t. Write an equation that relates dV/dt to dr/dt.
A. 
= 4?r2
B. 
= 
?r2
C. 
= 3r2
D. 
= 4?
Match the function with one of the graphs.f(x) = 2x + 5
A. 
B. 
C. 
D. 
Dawn is verifying the accuracy of her paycheck. She earns $12 an hour and works 40 hours each week. Her biweekly deductions are Social Security 6.2%, Medicare 1.45%, federal withholding tax $73.25, state withholding tax $22.50, and health insurance $37.47. What is her net pay if she is paid biweekly?
A. $753.34 B. $779.44 C. $784.34 D. $826.78
Find the slope of the line with inclination 
. Round your answer to four decimal places.
?
?
?
A. 
B. 
C. 
D. 
E. 