Use the vertical line test to determine if each relation is a function. complete the explanation.

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)