if z = f(x, y), where f is differentiable, and x = g(t) y = h(t) g(4) = −1 h(4) = −3 g' (4) = 9 h' (4) = 0 fx(−1, −3) = 5 fy(−1, −3) = −7 find dz/dt when t = 4.

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.

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?