NEED HELP ASAP If f(x)= 4^x-1 and g(x)= 2x-5, what is (f - g) (x)?

A. (f - g) (x)=4^ x-1 -2x+1
B. (f - g) (x)= 4^ x-1 -2x-11
C. (f - g) (x)= 4^ x-1 -2x+11
D. (f - g) (x)=4^ x-1 -2x-1

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.