On a sunny day, a 6-foot tall man positions himself so that his shadow lines up with the end of the shadow of a palm tree. The man's shadow is 8 feet long, and he is standing 16 feet from the base of the palm tree, as shown below.

What is the equation of the following graph in vertex form? parabolic function going down from the left through the point zero comma twelve and through the point two comma zero and turning at the point four comma negative four and going up through the point six comma zero and continuing towards infinity courtesy of texas instruments a: y = (x − 4)2 − 4 b: y = (x + 4)2 − 4 c: y = (x + 2)2 + 6 d: y = (x + 2)2 + 12

Find dy/dx using implicit differentiation ln(20+e^xy)=y

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9