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Intermediate Algebra Questions (worksheet 1)

Intermediate Algebra Questions (worksheet 1) Q1. Choose the correct answer. (a) If f(x) = 3x3 − 7x+5, then f(−1) = A. 1 B. −1 C. 9 D. 8 (b) Which of these values of x satisfies the inequality −2x+ 4 ≤ −6 A. 5 B. 0 C. −2 D. −6 (c) The domain of the function f(x) = √ x+2 is given by A. x > 2 B. x > −2 C. x ≥ 2 D. x ≥ −2