Answer:
Domain= time
Range= temperature
Step-by-step explanation:
Initially hot water cools down over time.
This can be expressed as a function of a temperature by a time. It takes 25 minutes for water to cooled down from 100°F to body temperature.
For any value of the time (from zero to 25 minutes), the temperature has certain value (from 100°F to body temperature). As time value increases, temperature value decreases accordingly.
In this example, time is the domain and temperature is the range.
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Are we just adding fractions ? bc if it is then its D. 9 over 10
The table represents an exponential function:
Then the correct option is B.
<h3>
What type of function is represented by the table?</h3>
Here we have the table:
x y
1 3
2 9
3 27
4 81
5 243
You can see that each time that x increases by one unit, the value of is multiplied by 3. This is clearly an exponential function.
The function actually is:
Evaluating it we get:
So the correct option is B, exponential.
If you want to learn more about exponential functions:
brainly.com/question/11464095
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Answer:
A) Bus 2 will travel less than Bus 1 and
B) Bus 1 will travel farther than Bus 2.
Step-by-step explanation:
For every hour t, Bus 1 will travel f(t) = 64t miles, while Bus 2 traveled a total of 124 miles after the first 2 hours and 186 miles after another hour.
So, bus 1 will travel a total distance after t = 6 hours by (64 × 6) = 384 miles.
Now, bus 2 is also moving at a uniform rate of mph and it travels a total of 186 miles in 3 hours.
So, bus 2 will travel a total distance after t = 6 hours by (62 × 6) = 372 miles.
Therefore, A) Bus 2 will travel less than Bus 1 and B) Bus 1 will travel farther than Bus 2. (Answer)