In which choice is y a nonlinear function of x? a. y = x/4 +5
b. y = 10 +x
c. y = x+3/4 - 2x
d. y = 2/x+3 - 5

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Dana wants to identify the favorite professional baseball team of people in her community. she stands outside a local sporting goods store and asks every other person who enters, "what is your favorite professional baseball team? " will the results of her survey be valid? explain.