<u>Answer:</u>
a direct variation is a relation that is of the form <u>y = mx</u>
- example of a direct variation: y = 2x
a partial variation is is a relation that is of the form <u>y = mx+b</u>
- example of a partial variation: y = 2x + 1
- a non-linear function doesn't have a constant rate of change
- the graph for a non-linear relationship is curved
- a non-linear curve may show a positive or a negative relationship
Answer:
yes
Step-by-step explanation:
in 13, both x and y are increasing by 1 correspondingly, and, in 14, both sides are multiplying by 2 together.