Replace f(x) with y
switch x and y
solve for y
replace y with f⁻¹(x)
f(x)=x-1
y=x-1
x=y-1
x+1=y
x+1=f⁻¹(x)
f⁻¹(x)=x+1
Answer: 20% off
Step-by-step explanation:
35.00 times .20 = 7.00
35.00 minus 7.00 = 28.00
Answer:
Okay, do you have any images or choices?
This photo will show you how to do it and the answer so your welcome