Using synthetic division, determine whether the numbers are zeros of the polynomial.2, -4; f(x) = x3 - 5x2 - 22x + 56
A. No; yes
B. Yes; yes
C. Yes; no
D. No; no
Answer: B
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Factor, if possible.x2 + 24x + 144
A. Prime polynomial B. (x - 12)2 C. (x + 12)2 D. (x + 12)(x - 12)
Convert to decimal notation.8.272 × 106
A. 8,272,000 B. 496.32 C. 82,720,000 D. 827,200
Find the average rate of change for the function over the given interval.y = 5x + 7 between x = -1 and x = 0
A. 
B. - 
C. 5
D. -28
Solve the problem.When going more than 38 miles per hour, the gas mileage of a certain car fits the model 
where x is the speed of the car in miles per hour and y is the miles per gallon of gasoline. Based on this model, at what speed will the car average 15 miles per gallon? (Round to nearest whole number.)
A. 98 miles per hour B. 73 miles per hour C. 149 miles per hour D. 48 miles per hour