Question

Determine whether the equation defines y as a function of x.

x + y = 9

Answer 1

Help?

Answer 2

Can someone help me?

Answer 3

I think y is not a function of x

Answer 4

y is the function of x

if you put a value in x you will get a unique value for y

Answer 5

x2 + y2 = 1

Answer 6

x^2+y^2=1 y is not the function of x

Answer 7

x^2+y^2=1 y is not the function of x

Answer 8

this is not ^2+y^2=1 its x + y = 9 which is a function

Answer 9

(-2, -7), (3, -5), (6, -4), (9, -6), (10, -1)} this is a function