6. The following table shows the amount of chocolate, in pounds and the price paid. Chocolate in pounds (x)
2
3
4
9
Cost in dollars (y)
13.50
18
a) Write an equation to express the relationship between the amount of chocolate and the
price paid.
b) What is the maximum amount of chocolate you can buy with $72.00?

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