P(x)=x²-4x+3,find p(2)-p(-1)+p(1/2)

Do graduates from uf tend to have a higher income than students at fsu, five years after graduation? a random sample of 100 graduates was taken from both schools. let muf be the population mean salary at uf and let mufsu be the population mean salary at fsu. how should we write the alternative hypothesis?

F(x) = (x^2 + 3x − 4) and g (x) = (x+4) find f/g and state the domain.

Arecipe uses 2 cups of sugar to make 32 brownies. how many cups of sugar are needed to make 72 brownies?