Which relation is a function?

a) y² - x = 8
b) y² + 3xy = 9y
c) y² + x = 8x - 8
d) y= 3/y - x²

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%

Which of the following will form the composite function?