F(x)-7=4(x-5) what is the value of f(3)

If f(x)= 3x+6 which of the following is the inverse of f(x)

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%