Question

is y= l x^2 - 16 l at x=4 a Corner? vertical tangent? Discontinuity? or Differentiable?

Answer 1

If you graph it using a graphing calc, you will find the answers to all your questions.

Answer 2

How do you graph it on the calculator?

Answer 3

What kind of calculator do you have?

Answer 4

a TI-84 silver edition, graphing calculator

Answer 5

Here:
https://www.desmos.com/calculator/q0mfwqroje

Answer 6

Thank you !

Answer 7

For your calc, if I'm not mistaken it should be:

abs(x^2 - 16)

Answer 8

It is, but the window is zoomed in too much, so I cant hardly distinguish anything

Answer 9

i can hardly **

Answer 10

Well, zoom it out. Use window:
-10 < x < 10
0 < y < 100