What is the inverse of the function f(x)=x^3/9 +11

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost.swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

Find the multiplicative inverse of 8-12i