Solve.132 - x - x2 > 0
A. -11 < x < 12
B. x < 11 or x > 12
C. x < -12 or x > 11
D. -12 < x < 11
Answer: D
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Solve the problem.Let u = 
, v = 
. Find u + v.
A. 
B. 
C. 
D. 
Decide whether or not the ordered pair is a solution of the system.(-5, 2)x + y = 7x - y = 3
A. Yes B. No
Add or subtract as indicated. Then simplify your answer if possible. Leave the answer in terms of sin ? and/or cos ?.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
For the polynomial, list each real zero and its multiplicity. Determine whether the graph crosses or touches the x-axis at each x -intercept.f(x) = 
x4(x2 - 3)
A. 0, multiplicity 4, crosses x-axis;
, multiplicity 1, touches x-axis;
-
, multiplicity 1, touches x-axis
B. 0, multiplicity 4, touches x-axis;
, multiplicity 1, crosses x-axis;
-
, multiplicity 1, crosses x-axis
C. 0, multiplicity 4, touches x-axis
D. 0, multiplicity 4, crosses x-axis