Find the degree of the polynomial function.f(x) = ?x4 + 6x3 - 8
A. 1
B. 3
C. ?
D. 4
Answer: D
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Multiply.-8x7(-2x5 - 11x4)
A. 104x12 + 104x11 B. 16x12 + 88x11 C. 104x7 D. 16x12 - 11x4
Solve the problem.In a certain city, the cost of a taxi ride is computed as follows: There is a fixed charge of $2.80 as soon as you get in the taxi, to which a charge of $2.15 per mile is added. Find an equation that can be used to determine the cost, C(x), of an x-mile taxi ride, and use this equation to find the cost of a 7-mile taxi ride.
A. $18.75 B. $17.85 C. $18.03 D. $17.73
Find the common ratio, r, for the given geometric sequence.81, 27, 9, 3, . . .
A. 3
B. 
C. 
D. 
Solve.In one year, a baseball player got 162 hits in 478 times at bat. What was his batting average? Give decimal notation to the nearest thousandth.
A. 0.349 B. 0.342 C. 0.339 D. 0.319