Question

Which linear function represents the line given by the point-slope equation y – 8 = (x – 4)?

f(x) = x + 4
f(x) = x + 6
f(x) = x – 10
f(x) = x – 1

Answer 1

`\large\boxed{f(x)=x+4}`

Explanation:

`y-8=(x-4)\\\\y-8=x-4\qquad\text{add 8 to both sides}\\\\y-8+8=x-4+8\\\\y=x+4\to f(x)=x+4`