Find the product using the FOIL method.(x - 11)(x + 3)
A. x2 - 8x - 33
B. x2 - 8x - 8
C. x2 - 9x - 33
D. x2 - 33x - 8
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 up on (-?, -3) and (3, ?); concave down on (-3, 3) B. Local minimum at x = 3 ; local maximum at x = -3 ; concave down on (-?, -3) and (3, ?); concave up on (-3, 3) C. Local minimum at x = 3 ; local maximum at x = -3 ; concave up on (0, ?); concave down on (-?, 0) D. Local minimum at x = 3 ; local maximum at x = -3 ; concave down on (0, ?); concave up on (-?, 0)
Change the order of integration and evaluate the integral.
A. 
?
B. 
?
C. 
?
D. 
?
Write an equation of the line with the indicated slope and y intercept.Slope = 
; y intercept = - 
A. y = 
x - 
B. y = 
x - 
C. y = - 
x + 
D. y = 
x + 
Solve.A cube has a surface area of 6x2 + 108x + 486. Find the length of a side.
A. x - 9 B. x + 9 C. x + 54 D. 6(x + 9)