Simplify.
? 
A. 
B. 
C. 1
D. 0
Answer: C
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Find 
(x) and state any values that cannot be included in the domain of 
(x).P(x) = x2 + 10x + 16; Q(x) = x + 2
A. x + 2, x ? -8 B. x + 10, x ? 0 C. x + 8, x ? -2 D. x + 8, x ? 2
Solve. Write the answer in simplest form.Find the perimeter of the scalene triangle, a triangle with all three sides a different length. Recall that the perimeter of a figure is the distance around a figure.
A. 
km
B. 
km
C. 
km
D. 
km
Determine which of the following methods is the best choice for solving the given equation: factoring, using the principle of square roots or using the quadratic formula. Then, solve the equation.x2 - 10x + 61 = 0
A. Square root principle; 10 ± 12i B. Quadratic formula; 5 ± 6i C. Factoring; -5, 6 D. Square root principle or factoring; 11, -1
Find the requested composition or operation.f(x) = 5x - 6, g(x) = 8x - 4Find (f - g)(x).
A. -3x - 2 B. 13x - 10 C. -3x - 10 D. 3x + 2