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babymother [125]
3 years ago
5

Write the expression as a single power using only positive exponents, if possible. Assume no denominator equals zero. Will give

brainliest!

Mathematics
1 answer:
Olenka [21]3 years ago
4 0
The answer is 1/x^10.

You subtract exponents when you divide, so: x^-6 - x^4. That equals x^-10.

Since the exponent is negative, you must put it in the denominator. Since this fraction has nothing in the numerator, use "1" as a placeholder.

Therefore, the answer is 1/x^10. Hope this helps!
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Answer:

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Step-by-step explanation:

You can consider the area to be that of a trapezoid with parallel bases f(a) and f(4), and width (4-a). The area of that trapezoid is ...

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<em>Alternate solution</em>

The attachment shows a solution using the numerical integration function of a graphing calculator. The area under the curve of function f(x) on the interval [a, 4] is the integral of f(x) on that interval. Perhaps confusingly, we have called that area f(a). As we have seen above, the area is a quadratic function of "a". I find it convenient to use a calculator's functions to solve problems like this where possible.

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