what value should k be to make f a continuous function?
(attached)

Question

what value should k be to make f a continuous function?
(attached)

anonymous · Answer

$$f(x) = \frac{ x^2+2x-15 }{ x-3 } x \neq 3$$
k, x=3

anonymous · Answer

Behen explained this one to me at lunch
factor the numerator first

anonymous · Answer

okk so (x-3)(x+5)

anonymous · Answer

and so the x-3 will cancel right?

anonymous · Answer

in the numerator and denominator leaving you with f(x) = x+5

anonymous · Answer

and then plug in 3 for x

anonymous · Answer

yup, so k = 8

anonymous · Answer

AHH thank you so much kristina. we will get through ap calculus somehow.

anonymous · Answer

anytime girl, do you understand 2.4? it's confusing me so much. somehow! me, you, and nadine should tagteam the homework after school some days?

anonymous · Answer

I understand this! Thanks :P
lol im doing the same hmwk as you guys....

anonymous · Answer

and no i dont go to your school...

anonymous · Answer

yes we realllyyy should!!! and not really hah :\ im understanding it more but i definitely dont feel ready to take the test

anonymous · Answer

hahaha!

anonymous · Answer

aha goodluck guysss

anonymous · Answer

all seriousness! we could all go to fuzzy peach or somewhere at least, it's so difficult.... all of it. i'm terrified for the rest of the year. you too @trackzz

anonymous · Answer

fuzzy peach sounds gret to me. hahahaha we might be there till like closing trying to do it. it takes so long.