Question

Which is a linear function

A. f(x)=x+2
B. F(x)=x to the power of 2
C. F(x)=2 to the power of x
D. F(x)= |2x|

Answer 1

A

Explanation:

A is a linear function because, x^2 would be a parabola, 2^x would also result in a parabola, and |2x| would be a v shape.

Answer 2

A. f(x)=x+2 is a linear function.