Question

evaluate the power fraction f(x)=x^5/4 = 81

Answer 1

Is the power of x equal to 5/4?

Answer 2

It is f(x)=x^5/4
x=81

Answer 3

If x=81 then subs it....ie 81^5/4...fourth root of 81^5 in other words

Answer 4

If f(x) = 81 then x=81^4/5

Answer 5

depends on which is the correct question

Answer 6

4sq 81^5

Answer 7

is that right that is what I have

Answer 8

The power of x in the original quetion is 5 then?

Answer 9

do you know how to do sq. root 3y+2=4 yeah I got that

Answer 10

it says solve there are no examples in my book or the dvd's i have

Answer 11

The question posted can be solved but please tell me what the power of x is in the question

Answer 12

power of x was 5

Answer 13

power of x was 5/4

Answer 14

ok...then if x^5/4 =81...then x= 81^4/5

Answer 15

so we make it a reciprocal

Answer 16

The power 5/4 means the 5th power and then take the 4th root of the answer

Answer 17

4sq.81^5

Answer 18

So to get rid of it to leave x...you do the opposite ......5th root and 4th power

Answer 19

5sq.81^4

Answer 20

5th rt of 81^4.....only if f(x)=81 was your question

Answer 21

f(x)=x^5/4
x=81

Answer 22

If x=81..then simple...fourth rt of 81^5

Answer 23

Good there then...sorry it took a while to sort out the question

Answer 24

okay got it