The third and last options are the answers.
The graph is shifted to the right by some number. The coordinates aren't numbered, so it could be literally anything. To shift to the right, the equation will be |x-y| where y is any number.
Just do 240 times 1/8 which is the same thing as 240/8, which is 30
C(F) is the degrees Celsius given the degrees Fahrenheit.<span />