Question

Confused about this rational expression..

Answer 1

If 3^x=5, then 3^x+4=?

Answer 2

what about the expression is confusing you?

Answer 3

if 3^x=5, is it just 5^4?

Answer 4

625 is not an answer choice

Answer 5

im not sure what they are asking..

Answer 6

Hint :
\[\large 3^{x+4} = 3^x \cdot 3^4\]

Answer 7

is is \[3^{x+4}\] or \[3^{x}+4\]

Answer 8

but wouldn't 3^x just replace the entire term when you replace it?

Answer 9

the first one ^

Answer 10

yes and 5*3^4 does not equal 625

Answer 11

can you equate this for me

Answer 12

im sure this is a lot easier than it looks but i cant see it

Answer 13

the current problem or another one?

Answer 14

the current problem please.

Answer 15

9 is your answer choices ???

Answer 16

my answer choices are 14, 86, 405, and 50000

Answer 17

ganeshie above had it right when you multiply you add exponents so you can rewrite the second expression as\[3^{x}*3^{4}=?\]

Answer 18

from the first problem we are given \[3^{x}=5\] so we can then write it as \[5*3^4=?\]

Answer 19

405. lol thanks, i knew it was a ton easier then it seemed.

Answer 20

oh so it was 3^4 :O

Answer 21

i thought its just 4 thats how i got 9 :(
3^4 not 4