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lbvjy [14]
3 years ago
12

31,680ft =?mi A: 6 B: 60 C: 2,630 D: 18

Mathematics
2 answers:
Ymorist [56]3 years ago
6 0

Answer:

A. 6 miles

Step-by-step explanation:

divide the length value by 5280

there are 5280 feet in a mile

miv72 [106K]3 years ago
5 0

Answer:

6 miles

Step-by-step explanation:

A mile is 5280 ft. When you divided 31,680 ft by 5280 ft you get six miles. Hope this helped!

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F(x)
mina [271]

a) Since both limits are <em>distinct</em> and do not exist, we conclude that x = - 1 is not part of the domain of the <em>rational</em> function.

b) The function f(x) = \frac{x}{x^{2}+ x} is equivalent to the function g(x) = \frac{1}{x + 1}.

<h3>How to determine whether a limit exists or not</h3>

According to theory of limits, a function f(x) exists for x = a if and only if \lim_{x\to a^{-}} f(x) = \lim_{x \to a^{+}} f(x). This criterion is commonly used to prove continuity of functions.

<em>Rational</em> functions are not continuous for all value of x, as there are x-values that make denominator equal to 0. Based on the figure given below, we have the following <em>lateral</em> limits:

\lim_{x \to -1^{-}} \frac{x}{x^{2}+x} = - \infty

\lim_{x \to -1^{+}} \frac{x}{x^{2}+x} = + \infty

Since both limits are <em>distinct</em> and do not exist, we conclude that x = - 1 is not part of the domain of the <em>rational</em> function.

In addition, we can simplify the function by <em>algebra</em> properties:

\frac{x}{x^{2}+ x} = \frac{x}{x\cdot (x + 1)} = \frac{1}{x + 1}

g(x) = \frac{1}{x + 1}

The function f(x) = \frac{x}{x^{2}+ x} is equivalent to the function g(x) = \frac{1}{x + 1}.

To learn more on lateral limits: brainly.com/question/21783151

#SPJ1

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the Marked price of an article is 25% above its cost price when it is sold at a discount of 15% there is a gain of rupees 200 fi
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Step-by-step explanation:

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