Graph the function.y = 
cos 
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.Assume that a watermelon dropped from a tall building falls 
in t sec. Find the watermelon's average speed during the first 6 sec of fall and the speed at the instant 
A. 48 ft/sec; 96 ft/sec B. 97 ft/sec; 194 ft/sec C. 192 ft/sec; 97 ft/sec D. 96 ft/sec; 192 ft/sec
Suppose that y is inversely proportional to x. Use the given information to find the constant of proportionality k. Then use y = 
to find y for the given value of x.y = 28.2 when x = 6;
Find y given x = 36.
A. k = 148.2; y = 4.7 B. k = 169.2; y = 4.7 C. k = 4.7; y = 169.2 D. k = 187.2; y = 5.2
Find the domain of f and write it in interval notation.f(x) = ln(4 - x)
A. (-4, ?) B. (4, ?) C. (-?, -4) D. (-?, 4)
Approximate the coordinates of each turning point by graphing f(x) in the standard viewing rectangle. Round to the nearest hundredth, if necessary.f(x) = -7x2 + 11x - 5
A. (-0.68, 0.79) B. (-0.79, -0.68) C. (0.79, -0.68) D. (0.79, 0.68)