If F(x) and f(x) are inverse functions of each other and f(x) = 2x+5, what is f(-1) (8) ? -1
3/2
41/8
23

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Does anyone know how to do geometryme with this problem

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?