Given f, of, x, equals, minus, x, minus, 3f(x)=−x−3, find f, of, minus, 2f(−2

Answer 1

To find f(-2), we substitute x = -2 into the equation:

f(x) = -x - 3

f(-2) = -(-2) - 3

Simplifying this we get:

f(-2) = 2 - 3

f(-2) = -1

So, f(-2) = -1.