5/x^3 -x
How do you zero the denominator to make it undefined

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

State one method by which you can recognize a perfect square trinomial.

Grant simplified the expression 1.5(-3.2 + 2.5) his work is shown below explain the error in grants work