Find the real solutions, if any, of the equation. Use the quadratic formula.5x2 + 11x - 12 = 0
A. {
, 3}
B. {- 
, 3}
C. {- 
, -3}
D. {
, -3}
Answer: D
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Graph the function by first writing it in the form y = A sin(x + C). State the amplitude, period, and phase shift.y = 3 sin x + 3 cos x
A. Amplitude 3, period 2?,
phase shift - 
B. Amplitude 3
, period 2?,
phase shift 
C. Amplitude 3, period 2?,
phase shift 
D. Amplitude 3
, period 2?,
phase shift - 
Provide an appropriate response. When solving an equation, when should ± be part of the root?
What will be an ideal response?
Graph the function.y = 
cos 
A. 
B. 
C. 
D. 
Use the Concavity Theorem to determine where the given function is concave up and where it is concave down. Also find all inflection points.G(w) = 4w2 + 16w + 15
A. Concave up for all w; no inflection points B. Concave up on (-?, -2), concave down on (-2, ?); inflection point (-2, -1) C. Concave up on (-2, ?), concave down on (-?, -2); inflection point (-2, -1) D. Concave down for all w; no inflection points