SOLUTION: Write a standard equation for a line that passes through f(4)=2 and f(2)=-1. Then find f(0). SO, the standard equation is y=mx+b (right?) Could you please walk me through this

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Question 901746: Write a standard equation for a line that passes through f(4)=2 and f(2)=-1. Then find f(0).
SO, the standard equation is y=mx+b (right?)
Could you please walk me through this problem?

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi

(4, 2)
(2,-1) m = 3/2
***Using point-slope form, P(4,2)
y -2 = (3/2)(x-4)
Slope-Intecept
y = (3/2)x -4 0r 3x-2y = 8 Standard Form***
f(0)= (3/2)0 - 4 = -4

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