Determine whether the given expression is a polynomial. If it is, write it in standard form.8x5 - 9 + 7x3
A. Yes; 8x5 + 7x3 - 9
B. No
Answer: A
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Solve the problem.At time t ? 0, the velocity of a body moving along the s-axis is 
When is the body's velocity increasing?
A. t > 4.5 B. t < 8 C. t < 4.5 D. t > 8
Write as logarithmic equations.52 = 25
A. log2 25 = 5 B. log5 2 = 25 C. log25 5 = 2 D. log5 25 = 2
Solve the problem.At Bargain Car Rental, the cost of renting an economy car for one day is $19.95 plus 20 cents per mile. At Best Deal Car Rental, the cost of renting a similar car for one day is $24.95 plus 15 cents per mile. Solve the inequality 24.95 + 0.15x < 19.95 + 0.20x to find the range of miles driven such that Best Deal is a better deal than Bargain.
A. x < 10 mi B. x > 10 mi C. x > 100 mi D. x < 100 mi
Solve the system.y = log4(-x)y = log4(x + 8)
A. {(-2, 1)} B. {(4, 2)} C. {(-4, 2)} D. {(-4, 1)}