Solve.Find the perimeter of the triangle whose sides have lengths 
cm, and 
cm.
A. 
cm
B. 
cm
C. 
cm
D. 
cm
Answer: D
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Evaluate.log8 
A. -3 B. 64 C. 3 D. -64
Explain why the function is not a polynomial function.f(x) = x2 - 7
+ 9
Fill in the blank(s) with the appropriate word(s).
Subtract.
- 
A. 
x4 + 
x2 + 
B. 
x4 + 
x2
C. 
x4 + 
x2
D. 
x4 + 
x2 + 
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. 36.6%; $268 million B. 41.2%; $264 million C. 35.8%; $276 million D. 34.0%; $271 million