Question

The graph of a linear function passes through the two given points on the coordinate plane.

(5,12)

(8,21)

What is the rate of change of the function?

Answer 1

2

Explanation:

Point c is at (1, 2)

point d is at (2, 4)

rate of change formula

(f(d) - f(c))/2 - 1

f(2) = 4

f(1) = 2

4-2/1 = 2

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