Solve.If a car traveling 80 mph travels a certain distance in 
hours, how long will a car traveling 60 mph take to travel the same distance?
Fill in the blank(s) with the appropriate word(s).
6(1/3) hours
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Choose the polar equation that matches the graph.
A. r = sin 2? + sin2 3? B. r = cos 2? + cos2 3? C. r = sin 3? + sin2 2? D. r = cos 3? + cos2 2?
Provide an appropriate response.Suppose the derivative of the function y = f(x) is y' = (x - 2)2(x + 7). At what points, if any, does the graph of f have a local minimum or local maximum?
A. no local minimum or local maximum B. local minimum at x = -7 C. local minimum at x = 2 D. local maximum at x = -7
Let a and b be the lengths of the legs of a right triangle, and let c be the length of the hypotenuse. Values of two of the three lengths are given. Find the third length.b = 48, c = 52
A. a = 400 B. a = 20, -20 C. a = 80 D. a = 20
Find the domain of the composite function (f ? g)(x). Write the domain in interval notation.f(x) = x + 1, g(x) = 
A. (-?, -3) ? (-3, ?) B. (-?, ?) C. (-?, -3) ? (-3, -1) ? (-1, ?) D. (-?, -4) ? (-4, ?)