Question

Given the function f(x) = x - 1. evaluate f(-12).

Answer 1

`f(x) = x - 1 \\ f( - 12) = - 12 - 1 \\ \boxed{ f( - 12) = - 13}`

• f(-12) = -13 is the right answer.

Answer 2

f(-12) = -13

Explanation:

f(x) = x - 1

Let x = -12

f(-12) = -12-1

= -13