is anyone willing To help Me on number 8 9 and 10 please I really need you To help Me with The last 3 problems
1 answer:
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To simplify a ratio, whatever you do to the bottom, you must do to the top. Find the GCF of both numbers, then divide until you can no longer simplify. I showed my work on a sheet of paper for a visual look.
Answer:
Domain: all real numbers
Range: all real numbers
Step-by-step explanation:
I'm assuming you mean the function . That's usually written
f(x) = x^(1/5) with the ^ meaning "to the power of..." and the fraction exponent in parentheses so as not to be confused with x^1/5 which could mean x to the first power, divided by 5.
Fractional exponents are used to indicate roots. In this case, x is being raised to the 1/5 power, so this is the fifth root of x, written . The 5 is called the root index.
For odd roots, like this one, the domain is all real numbers--<em>x</em> can be any number at all. So the domain is all real numbers.
The range is also all real numbers. Attached is a graph of this function. It might not look like it, but the graph rises to the right to any height. The larger <em>x</em> gets, the larger the 5th root gets. A similar thing happens on the left--the smaller <em>x</em> gets, the smaller the 5th root gets.
EDIT: see the comment. For the function , the domain is all real numbers. The range is positive real numbers. I'll attach a graph!
