Given f(x)=x+x2−x3 , determine a. intervals where f(x) is increasing or decreasing, b. local minima and maxima of f(x) , c. intervals where f(x) is concave up and concave down, and b. d. the inflection points of f(x) .

If angle ywz = 17, what is angle wxy? ok so i'm confused on this because the triangles are congruent so that means they have the same measurement which would make wxy=17, but don't all triangles have total measures of 180 degress? ?me.

Two lines parallel to a third line are parallel to each other. always sometimes or never

Write a corresponding real world problem to represent 2x - 125=400