q20 limit

[burnt valley]

i attempted plugging the values x=-3 but got the wrong answer.
(ans=-1)
How should I go about this question?
Thanks in advance for any help

[granite niche]

...show your work? Because both of those component functions are continuous and defined at x = 3, so direct substitution should have worked.

[burnt valley]

isn’t x=-3 ?

[granite niche]

Right, that too.

[burnt valley]

don’t have my paper with me atm

here’s what i got from a calculator

[burnt valley]

i used log to solve this at the end but just got some ugly irrational number

[burnt valley]

i remember

[granite niche]

Why do you have 12 - 3(-3)^2?

[burnt valley]

whoops

ok it’s good now

got -1

sorry for wasting your time

[granite niche]

If my time was valuable, would I be here?

[burnt valley]

depends

[burnt valley]

but anyways thanks for spotting my mistake

i’m blind