Combine. Assume that all variables represent non-negative real numbers.7 
+ 4xy 
A. 11x2y4
B. 15 xy3
C. 15x2y3
D. 11xy4
Answer: B
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Solve.A quarterback throws a pass that travels 38 yards with the wind in 2.5 seconds. If he had thrown the same pass against the wind, the football would have traveled 17 yards in 1.5 seconds. Find the speed of the pass that the quarterback would throw if there were no wind. If necessary, round to the nearest tenth.
A. 1.9 yd/sec B. 13.3 yd/sec C. 26.5 yd/sec D. 6.6 yd/sec
Find the extreme values of the function and where they occur.y = 
A. The minimum value is 0 at x = 0. B. The minimum value is - 1 at x = -1. The maximum value is 1at x = 1. C. The maximum value is 0 at x = 0. D. The minimum value is 0 at x = 1. The maximum value is 0 at x = -1.
Evaluate.Find (f + g)(4) when f(x) = x - 5 and g(x) = x + 3.
A. 16 B. 0 C. 10 D. 6
Solve the problem.A bicycle with a 26-inch wheel (diameter) travels a distance of 300 feet. How many revolutions does the wheel make (to the nearest revolution)?
A. 44 revolutions B. 38 revolutions C. 82 revolutions D. 88 revolutions