Mathematics: F(x)-mx+ b, f(-2)=3 and f(4)=1 , what is the value of m and b

F(x)-mx+ b, f(-2)=3 and f(4)=1 , what is the value

katii54feliz

10.05.2021

$m=\dfrac{-1}{3}, b=\dfrac{7}{3}$

Step-by-step explanation:

Given

Function is f(x)=mx+b

f(-2)=3

$\therefore 3=m(-2)+b\\\Rightarrow b-2m=3\quad \ldots(i)$

$f(4)=1\\\therefore 1=4m+b\quad \ldots(ii)$

from (i) and (ii) we get

$m=\dfrac{-1}{3}, b=\dfrac{7}{3}$

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liv467

06.05.2022

72.3

Step-by-step: Put then in order from least to greatest, then look at the 3rd to the right.

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