Please help me i dont understand

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?