asked 188k views
1 vote
Solve the inequality for x

8^x>24

asked
User Katlynn
by
7.3k points

1 Answer

1 vote

Answer:

Explanation:

Remark

I hope you have some idea how to make your calculator use logs. This problem is impossible without being able to take the log of each side.

Solution

log(8)^x > log 24 Logs lets you bring down x and multiply it by log24

x log 8 > log 24 Be careful what you do next. Don't use log 3

x > log(24)/log(8)

x > 1.3802/0.9031

x>1.5284

As wrong as this may look, it is correct.

Check it

8^1.5284 = 24.00395

The difference is that 1.5284 has been rounded just a slight bit.

answered
User Nilesh Kumar
by
8.1k points

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