Complete the square and then use the shifting technique to graph the function.f(x) = x2 + 2x - 4
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Use the graph of the function f(x) to locate the local extrema and identify the intervals where the function is concave up and concave down.
A. Local minimum at x = 1; local maximum at x = -1; concave down on (0, ?); concave up on (-?, 0) B. Local minimum at x = 1; local maximum at x = -1; concave up on (-?, ?) C. Local minimum at x = 1; local maximum at x = -1; concave down on (-?, ?) D. Local minimum at x = 1; local maximum at x = -1; concave up on (0, ?); concave down on (-?, 0)
Mathematics
Change the order of integration and evaluate the integral.
A. 12?2 B. 9?2 C. 12? D. 9?
Mathematics
Find the indefinite integral.
Mathematics
Simplify. Write the answer with positive exponents.(x-7y9z3)(x-2y-2z5)
A. 
B. 
C. 
D. x5y7z8
Mathematics