Perform the necessary operations.10 - (-15) + 13 + (-10)
A. 28
B. -18
C. -2
D. 18
Answer: A
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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 = 3; local maximum at x = -3 ; concave down on (0, ?); concave up on (-?, 0) B. Local minimum at x = 3; local maximum at x = -3 ; concave up on (0, -3) and (3, ?); concave down on (-3, 3) C. Local minimum at x = 3; local maximum at x = -3 ; concave up on (0, ?); concave down on (-?, 0) D. Local maximum at x = 3; local minimum at x = -3 ; concave up on (0, -3) and (3, ?); concave down on (-3, 3)
Solve the system to the nearest 0.1 for each variable by using a graphing calculator.2F + 5T = -2-4F + 2T = -2
A. F = 0.4; T = -0.2 B. F = 0.6; T = -0.4 C. F = 0.3; T = -0.5 D. F = 0.2; T = -0.8
Perform the indicated operation
Solve the problem.Find sin 2?. tan ? = 
, ? lies in quadrant III.
A. 
B. - 
C. - 
D. 