9th grade Algebra
posted by Tim .
what is the inverse function of g(x)= 3x+2?
inverse of g(x)=x/3 -2/3
A health food store mixes granola that costs them $2 per pound and raisins that cost them $ 4 per pound together to make 25 pounds of raisin granola. How many ponds of raisins should they include if they want the mixture to cost them a total of $80?