The graph of a function f is given. Use the graph to answer the question.How often does the line y = -20 intersect the graph?
A. twice
B. once
C. does not intersect
D. three times
Answer: C
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Determine whether the improper integral converges or diverges.
A. Converges B. Diverges
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 = 0; local maximum at x = 2; concave down on (0, ?); concave up on (-?, 0) B. Local minimum at x = 2; local maximum at x = 0; concave down on (0, ?); concave up on (-?, 0) C. Local minimum at x = 2; local maximum at x = 0; concave up on (0, ?); concave down on (-?, 0) D. Local minimum at x = 0; local maximum at x = 2; concave up on (0, ?); concave down on (-?, 0)
Solve the problem.The sum of 36 times a number and the reciprocal of the number is positive. Find the numbers which satisfy this condition.
A. any number greater than 
B. any number between 0 and 
C. any number between - 
and 
D. any number greater than 0
Graph the equation by plotting points.x2 + 4y = 4
A. 
B. 
C. 
D. 