ANSWER THIS FOR ME FAST PLEASE

What is the inverse of the function f(x)=2x+1

The cost c, in dollars, for bananas depends on the weight w,in pounds, of the bananas. this situation is represented by the function rule c=0.5w (graph each function rule.tell whether the graph is continuous or discrete)

For each proportion find the unknown number x 1/5/8=×/15