Question

Write a linear function f with f(2)= –2 and f(1) =1.

f(x) =

Answer 1

Answer - the answer should be:

-3x+4

down below is how i did it,

Step-by-step explanation:

use the formula mx+b=y

y is f(x)

m = -3

x = x

b = 4

so,

mx+b is -3x+4

Answer 2

Answer:

f(x)=-3x+4

Step-by-step explanation:

Slope= -3

(1-(-2))/(1-2)=3/-1= -3

Y-intercept= 4