Write the equation of the line in general form that passes through f(4)=-2 and f(1)=1

Answer 1

(1,1) and (4,-2) are on the line per the given

slope is (-2-1)/(4-1) = -3/3 = -1

B = y - mx

Using (1,1), B = 1 - (-1)(1) = 1 - -1 = 2

y = -1x + 2 = -x+2