i really need help po,huhu thank you in advance

Step-by-step explanation:
1.Non linear
2.Non linear
3.linear
4.linear
5.linear
Answer:
Linear means something related to a line. All the linear equations are used to construct a line. A non-linear equation is such which does not form a straight line. It looks like a curve in a graph and has a variable slope value.
1linear
2notlinear
3linear
4linear
5notlinear