A cubic function is given by y = 2x - 5x + 13x - 40. Is this function increasing or decreasing, and is it convex or concave, at x = 0.5?
MULTIPLE CHOICE QUESTIONS 377
Question 5
A. Increasing and concave

Click on the y intercept. -x +4 i know you cant click on it so could you just say the coordinates like (example - (1,0) you so much.

Given right triangle xyz, which correctly describes the locations of the sides in relation to

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.