Question

4. Given f(x) = 12x - 3
a. Determine f(-x)
11
b. Determine f(x + 1)

Answer 1

a) -12x -3

b) 12x +9

Explanation:

Put the argument into the function expression and simplify.

a) f(-x) = 12(-x) -3 = -12x -3

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b) f(x+1) = 12(x+1) -3 = 12x +9