5+ h > 7 what is the answer to this math problems

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2

The number of members f(x) in a local swimming club increased by 30% every year over a period of x years. the function below shows the relationship between f(x) and x: f(x) = 10(1.3)xwhich of the following graphs best represents the function? graph of f of x equals 1.3 multiplied by 10 to the power of x graph of exponential function going up from left to right in quadrant 1 through the point 0, 0 and continuing towards infinity graph of f of x equals 10 multiplied by 1.3 to the power of x graph of f of x equals 1.3 to the power of x

If we pull out the middle player of team a and the fourth player of the team b. what will be the force of team a and team b? what is their sum of forces