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3 years ago

Round to the nearest whole number: 25.41 A. 26 B. 25.4 C. 25.5 D. 25

Mathematics

2 answers:

rodikova [14]3 years ago

8 0

B and C cant be it because its not a whole number and it is .4 so it cant go up one making D the only possible choice.

ANTONII [103]3 years ago

3 0

D, 25, because if its less than 5, you keep the number the same, however, if its 5 and up, you round up.In this number the tens place contains a 4, so you have to round the same. In conclusion, 25.41 is rounded to 25, so your answer is D.

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(20 pts)

irakobra [83]

A function can be represented by equations and tables

4 users are logged in by 9am
The domain is [3,23] and the range of the function is [3,4]

<h3>The number of users at 9am</h3>

The function is given as:

$g(x) = \frac14 \sqrt{x - 3} + 3$

At 9am, x = 9.

So, we have:

$g(x) = \frac14 \sqrt{9 - 3} + 3$

$g(x) = \frac14 \sqrt{6} + 3$

Simplify

$g(9) = 3.6$

Approximate

$g(9) = 4$

Hence, 4 users are logged in by 9am

<h3>The domain</h3>

Set the radical to 0

$x - 3 = 0$

Solve for x

$x = 3$

The maximum time after midnight is 23 hours.

So, the domain is [3,23]

<h3>The range</h3>

When x = 3, we have:

$g(x) = \frac14 \sqrt{x - 3} + 3$

$g(3) = \frac 14 * \sqrt{3 - 3} + 3 = 3$

When x = 23, we have:

$g(23) = \frac 14 * \sqrt{23 - 3} + 3 = 4$

So, the range of the function is [3,4]

Read more about domain and range at:

brainly.com/question/2264373

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