SOLUTION: f(x) 3(x-1) (x=4)state the x intercepts and the y coordinates

Question 507496: f(x) 3(x-1) (x=4)state the x intercepts and the y coordinates
Answer by oberobic(2304) (Show Source): You can put this solution on YOUR website!
f(x) = y
y = 3(x-1)
x = 4
y = 3(4-1)
y = 3(3)
y = 9
f(x) = 9
f(4) = 9
.
So this defines the point (x,y) = (4,9).
.
The slope-intercept form of the equation is:
y = mx+b
y = 3(x-1)
y = 3x -3
.
When x=0
y = -3
.
That is the y-intercept
.

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