Match the given function to its graph.1) y = sin x2) y = cos x3) y = -sin x4) y = -cos xA B
C D
A. 1A, 2D, 3C, 4B
B. 1B, 2D, 3C, 4A
C. 1C, 2A, 3B, 4D
D. 1A, 2B, 3C, 4D
Answer: C
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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 maximum at x = 1; local minimum at x =-1; concave up on (0, ?); concave down on (-?, 0) C. Local maximum at x = 1; local minimum at x =-1; concave up on (-?, ?) D. Local minimum at x = 1; local maximum at x =-1; concave up on (0, ?); concave down on (-?, 0)
Solve the problem.Find the area of the parallelogram determined by the points P(7, -5, 5), Q(1, -9, 10), 
and 
A. 
B. 
C. 3
D. 
Use formulas to find the area of the plane region.
A. 32 in2 B. 12 in2 C. 64 in2 D. 16 in2
Graph the line through the given point with the given slope.(0, 6), m = - 5
A. 
B. 
C. 
D. 