F(x)=8x sqrt(x-x^2) Find the exact maximum

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?

In september, louise planted a tree. every month, the tree louise planted grew 2 inches. what would the constant of proportionality of the line be?