Question

Which linear function represents the line given by the point-slope equation y – 2 = 4(x – 3)?

f(x) = 6x – 1
f(x) = 8x – 6
f(x) = 4x – 14
f(x) = 4x – 10

Answer 1

Start from y − 2 = 4(x − 3).
Expand the right side: y − 2 = 4x − 12.
Add 2 to both sides: y = 4x − 10.

So f(x) = 4x − 10.