Question

Which of the following best describes the equation below?

y = -10x + 9
function only
neither a relation nor a function
both a relation and a function
relation only

Answer 1

plz help

Answer 2

@EclipsedStar

Answer 3

an equation is a function when each x has only one why value.

Answer 4

If x's have same y values, then it is not a function. Linear function are all functions, because for every x there's only one y value.
Example: y=x is a function because it passes the vertical line test.