We call the ratio between two directly proportional quantities the constant of proportionality. When two quantities are directly proportional, they increase and decrease at the same rate. While these two quantities may increase or decrease, the constant of proportionality always remains the same.
Answer:
3
Step-by-step explanation:
Domain: {-2, 4, 5}
Range {-6, 2, 3}
This cannot be factored or factored by grouping.
