Please help ASAP
f(x) = x^3 - 2x^2 - 8x
Is f(x) increasing on the interval (-2,-1]?

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.

Using graph paper, determine the line described by the given point and slope. click to show the correct graph below.(0, 0) and 2/3