If f(x)=2x/7+4, which of the following of the inverse of f(x)?

a. f-1(x)= 2(x-4)/7
b. f-1(x)= 7(x+4)/2
c. f-1(x)= 2(x+4)7
d. f-1(x)= 7(x-4)/2

explain how you got the answer

Which of the following situations represents a linear relationship? a. theresa increases the distance she runs by 0.1 miles every week. b. the volume of a box depends on the length of box. c. the amount of money in a bank account increases by 1 percent each year. d. the population of a town doubles every 5 years.

What is (28 + 7 + 6 + 3) x 1/2 show your work

Given: klmn is a parallelogram m? n=3m? k, lf ? kn , ld ? nm kf=2 cm, fn=4 cm find: lf, ld