Linear Functions Homework that I don't get!!!! Please help!
I have 2 Homework questions:
1- A triangle has a height that is 4 timesas its base b. Graph the area A of the triangle as a function of a base b. Is is linear or nonlinear? increasing or deceasing? Explain.
2- For 1 day, a salesperson makes a base rate of $100 plus a 20% commission on everything she sells. Graph the saleperson's earnings y as a function of he sales x. Is the function linear or nonlinear? increasing or decreasing? Explain.