Question

khloe reaches the end of a hiking trail and hikes back to her car at a constant rate. after 1 hour (h), she is 8 miles (mi) from her car. after 3 h, she is 2 mi from her car. her distance from her car in miles, y, is a function of the time it takes to hike to her car in hours, x. points on the graph: (1, 8) and (3, 2) rate of change: -3 simplify the right side of the equation. y = -3x + b 8 = -3(1) + b 8 = \boxed{} + b

Explanation:

Step1: Calculate -3(1)

Multiply -3 and 1. So, $-3\times1 = -3$.

Step2: Substitute into the equation

The equation is $8 = -3(1) + b$, and after calculating -3(1), we get $8 = -3 + b$. So the blank should be -3.

Answer:

-3