Express the graph shown using interval notation. Also express it as an inequality involving x.
A. (-9, -3)
-9 < x < -3
B. [-9, -3]
-9 ? x ? -3
C. [-9, -3)
-9 ? x < -3
D. (-9, -3]
-9 < x ? -3
Answer: A
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Write the improper fraction as a mixed or whole number.
A. 
B. 14
C. 15
D. 13
Divide f(x) by d(x), and write a summary statement in the form indicated.f(x) = x4 - 3x3 - 3x2 - 12x - 20; d(x) = x2 - 3x - 5 (Write answer in polynomial form)
A. f(x) = (x2 - 3x - 5)(x2 + 2) + 6x - 10 B. f(x) = (x2 - 3x - 5)(x2 - 5x + 2) - 6x - 10 C. f(x) = (x2 - 3x - 5)(x2 + 2) - 6x - 10 D. f(x) = (x2 - 3x - 5)(x2 - 5x + 2) + 6x - 10
Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 
Let f (x) = 2x + 1, g (x) = 3x - 2. Find the function.
?
?
Please give the answer as a simplified expression (not an equation).
What will be an ideal response?