Question

Given that (2,4) is on the graph of f(x), find the corresponding point for the function f(x)-5

Answer 1

(2,4)=(x,f(x))→x=2, f(x)=4

f(x)-5=4-5→f(x)-5=-1

The corresponding point for the function f(x)-5 is (x,f(x)-5)=(2,-1)