Question

f(x) = 3(x + 5)2 - 1
Find the rule of the inverse function.
f ^-1(x) =

Answer 1

\[f^{-1}(x) = \sqrt{\frac{x-1}{3}}-5\]

Answer 2

the 2 is and exponent! ^2

Answer 3

sorry guys im working on this other prob right now as well

Answer 4

I know it was.

Answer 5

*an

Answer 6

That's why there is a square root in the inverse

Answer 7

Mariochev, you should give me a medal before the website resets

Answer 8

Thats not the answer by the way

Answer 9

ok i got it myself... its X PLUS 1 not minus 1

Answer 10

Yeah, you're right

Answer 11

o now u reply -_-

Answer 12

Sorry. I was watching Smallville

Answer 13

The website reload caused me to lose interest and do something else

Answer 14

i see

Answer 15

could u show me the steps though

Answer 16

i got the answer but not quite sure on the steps

Answer 17

How did you get the answer?

Answer 18

Or where did you get the answer?

Answer 19

x=3(y+5)^2-1

Answer 20

yes, that's the first step

Answer 21

so when i take the 1 to the other side its becomes positive

Answer 22

then add 1 to both sides, yes

Answer 23

thats how i got the right answer

Answer 24

then divide by 3

Answer 25

wait

Answer 26

then take square root of both sides

Answer 27

then add 5

Answer 28

dont u multiply the 3 by y and 5?

Answer 29

NOOO

Answer 30

Don't you have skype?

Answer 31

Well, okay, just come to twiddla:

http://www.twiddla.com/solved

Answer 32

I can show you all the steps

Answer 33

ok