Question

helppp xx

Answer 1

Whats your question? :)

Answer 2

a function is a relationship or expression involving one or more variables.
the function (bx + c)

Answer 3

A function:
One input must ONLY have ONE, and ONLY ONE output.
One output can't have two inputs.
And it must have, like MaxwellFish said above, like (bx+c)

Answer 4

Although several inputs can have the same output

Answer 5

Try using the "vertical line test." Draw the graph of each relationship, and then draw a vertical line thru the graph. If the line intersects the graph just once, you've got a function. Otherwise you don't. If you were to draw a circle and then draw a vertical line thru the graph, the line would intersect the circle how many times? Is the relation exemplified by the circle a function or not? Why?