Find the critical points for each function. Then determine which each point is a max min or point of inflection. f(x) = 2x^3-x^2+1

The sum of two numbers is 86, and their difference is 20. find the two numbers

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36

Ellen makes and sells bookmarks. she graphs the number of bookmarks sold compared to the total money earned. why is the rate of change for the function graphed to the left?