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 What is the domain of the function f (x) = 

(A) {x | x ≠ 0}

(B) Ø

(C) all real numbers

(D) {x | x ≠ 3}

(E) {x | x ≠ 4 and x ≠ 1}

The Correct Answer
Explanation

If W = XYZ, then which of the following is an expression for Z in terms of W, X, and Y?

(A) (B) (C) WXY (D) W - XY (E) W + XY

Correct Answer: B

An isosceles trapezoid has bases of length 5 inches and 11 inches. The area of the trapezoid is 40 square inches. What is the height of the trapezoid, in inches?

(A)4 (B) 5 (C) 7.5 (D) 17.5 (E) 35

Correct Answer: B

If f(x) = x2 - 2x + 4, then f (T + 2) = ?

(A)T2 - 2T + 4 (B) T2 - 2T (C) T2 + 2T + 8 (D) T2 + 6T + 12 (E) T2 + 2T + 4

Correct Answer: E

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