Use the Factor Theorem to determine whether x - c is a factor of f(x).f(x) = 72x3 + 70x2 - 112x - 110; x - 
A. Yes
B. No
Answer: B
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Evaluate the expression.
A. - 
B. - 
C. Undefined
D. - 
Find the net cost. Round to the nearest cent.$1755 less 25/20
A. $2193.75 B. $1053.00 C. $965.25 D. $1710.00
Solve the equation.
- x = 6
A. ? B. {-3} C. {-7} D. {-7, -3}
Solve the problem.Economists use what is called a Leffer curve to predict the government revenue for tax rates from 0% to 100%. Economists agree that the end points of the curve generate 0 revenue, but disagree on the tax rate that produces the maximum revenue. Suppose an economist produces this rational function 
where R is revenue in millions at a tax rate of x percent. Use a graphing calculator to graph the function. What tax rate produces the maximum revenue? What is the maximum revenue?
A. 35.8%; $209 million B. 37.5%; $210 million C. 39.6%; $209 million D. 34.9%; $207 million