Question

If f(x) = log3 (x + 1), what is f−1(2)?

1

8

10

27

Answer 1

try to find x from
log3 (x+1) = 2
that would be your answer.

Answer 2

use the definition off log then
\(\Large \log_ab=c \implies b=a^c\)

Answer 3

so, \(\Large (x+1)=3^2\)
x= ... ?

Answer 4

Thanks hart!

Answer 5

welcome blake ^_^
oh, and
\(\Huge \mathcal{\text{Welcome To OpenStudy}\ddot\smile} \)