Solve the problem.The owner of a video store has determined that the cost C, in dollars, of operating the store is approximately given by 
where x is the number of videos rented daily. Find the lowest cost to the nearest dollar.
A. $588
B. $791
C. $669
D. $710
Answer: D
Mathematics
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Use the sum-to-product formulas to rewrite the sum or difference as a product.
What will be an ideal response?
Mathematics
Simplify.
A. 48uw2
B. 12uw
C. 13uw
D. 8uw2
Mathematics
Use rational exponents to simplify the radical. If rational exponents appear after simplifying, write the answer in radical notation.
A. 
B. 
C. 
D. y2
Mathematics
Solve the equation.log 3x = log 2 + log (x + 5)
A. -10
B. 2
C. 10
D. 
Mathematics