Answer:
y = 4
Step-by-step explanation:
Substitute the input x = - 4 into the function and evaluate for y
y = × - 4 + 6
= - 2 + 6
= 4
We will use the equation
to solve this one. We have distance and time, so we'll rearrange this to:
So she runs 7.5 miles per hour.
Because vetical lines have a 0 slope, a vertical line looks like
x=7