Rewrite in simplest rational exponent form √x • 4√x.
2 answers:
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Answer:
Find the smallest multiple the denominators have in common
30
Expand each fraction so that the denominators are 30
Add or subtract the numerators and keep the same denominator
Simplify
Note that your function can be written as
So, if x is negative, your function is identically equal to 1. In particular, the limit as x approaches -2 will be 1 as well.