If a*b=a^2+b, write the values of 3*5

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)

What values of data might affect the statistical measures of spread and center

I'm confused on this could anyone me and show me what i need to do to solve it.