Question

2 The points (-15, -3) and (-7, -1) both

lie on the graph of the linear function
y = f(x). What is the rate of change of
f(x) with respect to x?

Answer 1

The rate of change of f(x) with respect to x is 1/4

Explanation:

What this question simply ask is to find the slope of the line that passes through the two points

to find this, we use the slope equation

we have this as;

m= (y2-y1)/(x2-x1)

(x1,y1) = ((-15,-3)

(x2,y2) = (-7,-1)

m = (-1 + 3)/(-7 + 15) = 2/8 = 1/4