The main reason behind this is using properties of logarithm .
like
when solving
There you use multiplication property and make addition to multiplication then you get extraneous solution because in plenty of cases they occur
like
But
Same happens in case of logarithm
Answer: Yes
Step-by-step explanation:
To solve this, imagine you have a vertical line. You can use a ruler or something straight. Move the ruler across the screen. Does the ruler intersect 2 points at once? If so, then it is not a function. If it only intersects one point, then it is a function.
Always remember: a function cannot have two x's with different y-values.
Hope that helped!
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Answer:
=20000000 (let me know if it's incorrect)
Step-by-step explanation:
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➷ The square root of 81 is 9
We have -4 + 9
Thus, your answer is 5
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➶ Hope This Helps You!
➶ Good Luck (:
➶ Have A Great Day ^-^
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