17 = x + 3
Someone teach me how to do this

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Піf x = y and y= z, which statement must be true? оа. -x = -2 b. x= z ос. —x = 2 od. 2= x

George is putting trim around his rectangular deck, including the gate. he will need 44 feet of trim to do the entire deck. if the deck is 13 feet long, how wide is the deck?