Solve the system by substitution, if possible.
A) (–4, 11)
B) (10, –3)
C) (–3, 10)
D) (3, 7)
E) no solutions
D) (3, 7)
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Find the quadratic function y = f(x) that has the given vertex and whose graph passes through the given point.vertex (-5, -8); passing through (2, -3)
A. y = 
(x - 5)2 - 8
B. y = 
(x + 5)2 + 8
C. y = 
(x - 5)2 + 8
D. y = 
(x + 5)2 - 8
Solve the inequality.x(x - 3) ? 4
A. [4, ?) B. (-?, -1] C. [-1, 4] D. (-?, -1] or [4, ?)
Multiply the expressions.(3m + 1)2
A. 9m2 + 1 B. 3m2 + 1 C. 9m2 + 6m + 1 D. 3m2 + 6m + 1
Solve the problem.The total profit function P(x) for a company producing x thousand units is given by 
Find the values of x for which the company makes a profit. [Hint: The company makes a profit when 
A. x is less than 11 thousand units B. x is between 3 thousand units and 11 thousand units C. x is greater than 3 thousand units D. x is less than 3 thousand units or greater than 11 thousand units