Which equation shows the relationship between x and y?

Karianne and lucius are analyzing a linear function on a graph. karianne says that unit rate is equal to rate of change, but that slope is calculated differently. lucius says that unit rate, rate of change, and slope are calculated the same way. who is correct? explain your answer.

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

What is the factor form of x^2-9x+14