Answer:
5:2
Step-by-step explanation:
2.50/100*12000
2.50*12000/100
=300
answer is b-11 just took the test
7
f(x)=x/7
f(x)=7x
y=7x
x=7y (switch y and x for inverse)
x=7y (isolate y)
x/7=y
The inverse of f(x)=7x is f(x)=x/7
