Answer:
The nearest 100,000 of 89,678 would be 100,000.
Step-by-step explanation:
For me to simply put this, ignore the digits behind the commas.
You'll have 89, and imagine you have to get it to the nearest 100.
So when rounding / estimating, if the digit you're talking about is above 5, you round up. If it is below 5, you round down.
Since you have 89, you'd round up to a 100 because 89 is over 50.
Therefore you'd have 100,000 if you're rounding 89,678 to the nearest hundred thousand.
The answer would be -6. If there is an odd number of negatives in the equation, then there will be a negative number answer. If there is an even number of leaves, there will be a positive number answer.
Explanation:
The domain is the <em>horizontal extent </em>of the graph of the function. It is the set of all values of the independent variable for which the function is defined.
In a table or list of (x, y) or (x, f(x)) values the domain is the list of x-values.
On a graph, the domain is the horizontal extent of the graph, excluding any "holes" or vertical asymptotes. (The function is "undefined" at those places.)
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For a polynomial, the domain is generally "all real numbers."
For rational functions, the domain always excludes any x-values that make any denominator be zero.
For functions such as logarithms or roots, the domain is the set of values for which the function is defined. Even roots (square root, 4th root, ...) are only defined for non-negative numbers. Logarithms are only defined for positive numbers.
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In some problems, a model is often used that is defined for all values of the independent variable. For example, a height function may be modeled using a quadratic: h(t) = -4.9t^2 +30t +6. This is defined for all values of t, but the "<em>practical domain</em>" is the set of values of t ≥ 0 and before h(t) = 0. That is, we don't care about negative time or negative height.
This would result in a biased sample because:
- the survey is surveying elementary kids about a new youth center
most of those kids are more likely than not to want a youth center, so most of them will naturally agree without a doubt for the need of a youth center
- Even the adults at the elementary school are more likely than not to agree with a new youth center because they are teachers and can even benefit from working at the youth center
- in final words the reason why this survey will be biased is because there is no variety in the participants being tested. It is basically just asking teachers she students their preference, excluding the rest of an entire community
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