Answer:
f(7)=10-14=-4
Answer=-4
Step-by-step explanation:
Answer: 
Step-by-step explanation:
Given
The radius of the cycle is 
Distance traveled by Paul is 
Distance traveled by one complete revolution of wheel is equivalent to circumference of wheel i.e.

No of revolution made by wheel

Answer:
C
Step-by-step explanation:
I believe it's 6/12, but simplified to the lowest form is 1/2