Easy math precalc please help, will report false answers

Jillian is incorrect because the shown graph is not a radical function but a logarithmic function instead. Both radical and logarithmic increase for f(x) when x increases as well.

Note that radical functions do not have any asymptotes, that includes vertical and horizontal.

The shown graph is a logarithmic function. The name already says it. The logarithmic function is part of logarithmic where the equation is

answer: 8 years

step-by-step explanation:

the explanation is that in 8 years the child will be 20 and in 8 years the father will be 40 and 20 is half of 40.