- Question #1: The inequality 2x + 3 > 5x – 6 is equivalent with which of the following inequalities?
(a) x > 6
(b) x < 6
(c) x > 3
(d) x < 3
(e) x < 10
Answer:2x + 3 > 5x – 6
9 > 3x
3 > x
x < 3 - Question #2: What is f(f(2)) if f(x) = x2 + 2?
(a) 12
(b) 26
(c) 38
(d) 42
(e) 48Answer:
f(2) = 22 + 2 = 6
f(f(2)) = f(6) = 62 + 2 = 38
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