Question

@3mar

Answer 1

The choice B
you know why?

Answer 2

not really

Answer 3

try the vertical line for each function.

Answer 4

for A:
it violates at x=-5

Answer 5

for C:
it violates at x=5

Answer 6

oh i see now

Answer 7

for D:
it violates at x=-5 and x=5

Answer 8

only B:
not violate any thing
It is valid for all the function lines

Answer 9

Thank you for the medal!

Answer 10

no thank you! i have some more can you help?

Answer 11

of course

Answer 12

another post?

Answer 13

yes