If f ( x ) is a linear function, f ( − 4 ) = 3 , and f ( 2 ) = − 3 , find an equation for f ( x )

Question

A) If  is a linear function, , and , find an equation for 

f(x)=

B) If is a linear function, , and , find an equation for 

f(x)=

Answer 1

Slope is M = (-3 - 3) / (2- -4) = -6 / 6 = -1

B = y - mx = 3 - (-1)(-4)

= 3 - 4

= -1

y = (-1)x - 1