Which of the following are true about the graph of f(x)=−4x2?
Select the TWO that apply.

the answer is A and D

when you differentiate the question you find that the maximum point is (0,0)i.e

when dy/dx is 0 values of x are 0,0

and the function shows that valies of x are real numbers.

1.677

step-by-step explanation:

i'm not good at explaining stuff but if you need an answer i'm here for you.

step-by-step explanation:

∆abc has the points a(1, 7), b(-2, 2), and c(4, 2) as its vertices. formed with the point d(1, 2) as its third vertex, then ∆abd is triangle.