Remember that a function composed with its inverse results in the placeholder
aka
(f o f⁻¹)(x)=x
so
(f o f⁻¹)(4)=4
Markup (or price spread) is the difference between the selling price of a good or service and cost.
In my opinion, that is the simplest form. However, your teacher may want you to remove powers and factors of 5. In that case, the result is ...
Answer:
I don't know how to do it the subject
Answer:
x=y/9
Step-by-step explanation: