Question

What function is y=2x+5

A. Quadratic Function
B. Linear Function
C. Cubic Function
D. Another higher degree Function.

And Why?

Answer 1

B. Linear Function

Explanation:

a.) a quadratic function is in the form
`f(x)=ax^2+bx+c` .

b.) a linear function is in the form
`y=mx+b`.

c.) a cubic function is in the form
`f(x)=ax^3+bx^2+cx+d`

The only option that matches the given function is b.

:Done