Find the general term an of the given sequence.4, 10, 16, 22, 28, . . .
A. an = 6n - 1
B. an = 4(6)n-1
C. an = 2n - 6
D. an = 2(3n - 1)
Answer: D
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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. Round your answer to three decimal places if necessary.45 - 3x = 
A. 3
B. -3
C. 
D. 128
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = -(x + 5)2 - 5
A. 
B. 
C. 
D. 
Evaluate the expression when x = 5, y = -2, and t = 8.x - y
A. 3 B. -7 C. -3 D. 7