Solve the problem.The charges for renting a moving van are $65 for the first 40 miles and $5 for each additional mile. Assume that a fraction of a mile is rounded up. (i) Determine the cost of driving the van 84 miles. (ii) Find a symbolic representation for a function f that computes the cost of driving the van x miles, where 
(Hint: express f as a piecewise-constant function.)
A. $285; f(x) = 
B. $5680; f(x) = 
C. $685; f(x) = 
D. $685; f(x) = 
Answer: A
Mathematics
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A. 3
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B. 3
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C. 3
+ C
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Find all real solutions. Do not use a calculator.x3 - 8x2 - x + 8 = 0
A. {±1, -8} B. {±1, 8} C. {±1, -9} D. {1, -2, 10}
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Find the product.(9x - 4y)2
A. 9x2 - 72xy + 16y2 B. 81x2 + 16y2 C. 9x2 + 16y2 D. 81x2 - 72xy + 16y2
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Perform the indicated operations and simplify the result. Leave the answer in factored form.
? 
A. 
B. 
C. 
D. 
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