Listed below are the lead concentrations in mug/g measured in different traditional medicines. use a 0.10 significance level to test the claim that the mean lead concentration for all such medicines is less than 17 mug/g. 10 11 6 4.5 6 20 21 13.5 12 21.5

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