Factor the expression completely. If the polynomial is prime, state this as your answer.x2 - 25
A. (x2 + 5)(x2 - 5)
B. (x + 5)(x - 5)
C. (x + 25)(x - 25)
D. (x - 5)(x - 5)
Answer: B
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Either the dimensions of two matrices or the matrices themselves are given. Find the dimensions of the product AB and the product BA. If either is not defined, say so.A is 3 × 1; B is 1 × 3.
A. AB is not defined; BA is 1 × 1. B. AB is 3 × 3; BA is 1 × 1. C. AB is 1 × 1; BA is 3 × 3. D. AB is 3 × 3; BA is not defined.
Solve the equation f(x) = 0 analytically and then use the graph of y = f(x) to solve the inequalities f(x) < 0 and 
f(x) = ln(x + 1)
A. {0}; (-1, 0); [0, ?) B. {2}; (2, ?); [1, 2) C. {2}; (1, 2); [2, ?) D. {0}; (0, ?); [-1, 0)
Find the distance between P and Q.P(u, v), Q(v, u)
A. 
B. 2
C. 2
D. 
Find the range of the given function.f(x) = -4x + x2 + 8
A. [4, ?) B. (-?, 0] C. [2, ?) D. [-2, ?)