Question

using the graph of f, determine f(-6).

Explanation:

Step1: Identify the left line's equation

The left line passes through (0,0) and (-10,-10). Slope $m=\frac{-10-0}{-10-0}=1$. Equation: $y=x$.

Step2: Calculate $f(-6)$

Substitute $x=-6$ into $y=x$: $y=-6$.

Answer:

-6