Congrats to me/ rate 1-10

Mr. thompson is on a diet. he currently weighs 260 pounds. he loses 4 pounds per month. what part of the story makes the relationship not proportional?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2