Which of the following describes the graph of a linear function? (1 point)

question 11 options:

1)

it is v shaped and passes through the origin.

2)

its y-values increase at a constant rate as its x-value increases.

3)

it is a straight line in one portion and a curve in another portion.

4)

its y-values increase at a nonconstant rate as its x-value increases.

the correct answer is b!