Question

Pre calculus help? I need to learn how to find the x-intercepts of logarithmic functions.
Here is one problem I need to find it for:
h(x) = log4(x-3)

Answer 1

multiplyt by 4

Answer 2

is 4 base

Answer 3

Yeah, 4 is the base.

Answer 4

plug in 0 for h(x) and solve for x
so 0=log4(x-3)
4^0=x-3 (prperty of logs)
so 1=x-3
x=4
x-itercept at x=4

Answer 5

Thanks so much. :)

Answer 6

no prob

Answer 7

Can I ask one more question?

Answer 8

@jamesumner93

Answer 9

yea sure