Evaluate the integral by making the given substitution.
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Graph the function.f(x) = 
A. 
B. 
C. 
D. 
The graph of a function f is given. Use the graph to answer the question.Find the numbers, if any, at which f has a local minimum. What are the local minima?
A. f has a local minimum at x = -?; the local minimum is -2 B. f has a local minimum at x = -? and ?; the local minimum is 2 C. f has a local minimum at x = 0; the local minimum is -2 D. f has no local minimum
Solve the problem.Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 252 mi in the same time that Dana travels 222 mi. If Chuck's rate of travel is 5 mph more than Dana's, and they travel the same length of time, at what speed does Chuck travel?
A. 39 mph B. 37 mph C. 42 mph D. 45 mph
Use the order of operations to simplify the expression.4 ? [2(2 - 6) - 3]
A. 16 B. 12 C. -44 D. -20