Solve the quadratic equation and express all nonreal complex solutions in terms of i.x2 = 5x - 10
A. 
B. 
C. 
D. 
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 maximum at x = 3; local minimum at x = -3 ; concave up on (0, -3) and (3, ?); concave down on (-3, 3) 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 minimum at x = 3; local maximum at x = -3 ; concave down on (0, ?); concave up on (-?, 0)
Provide an appropriate response.For what values of x is 
= -2?
A. -3 ? x < -2 B. -2 ? x < -1 C. -3 < x ? -2 D. -2 < x ? -1
Graph the equation.y = -x2 - 3x - 8
A. 
B. 
C. 
D. 
Graph the polar equation.r = 1 + cos ?
A. 
B. 
C. 
D. 