Question

Evaluate the limit.

Answer 1

lim x->4 left bound \[\sqrt{16-x ^{2}}\]

Answer 2

is this right? \[\sqrt{(4+x)(4-x)}\]

Answer 3

is it 0?

Answer 4

just plug it in. Left bound limit will be 0.

Answer 5

yea. It won't matter if it's right or left bound since you have x^2

Answer 6

o yea im good :) but thx! lol