Answer:
x
Step-by-step explanation:
x^5
---------
x^4
When we divide exponents with the same base, we can subtract the exponents
x^(5-4)
x^1
x
X intercept is where y=0
so make y=0
4x-0=5
x=5/4
The first one is 5.3 you multiply 4x4 which is 16 then divide by 3 which then gives you the answer