Answer:
- temperature is decreasing as time passes
- x-axis
- hot drink temperature (°C)
Step-by-step explanation:
1. Each value of temperature is lower than the one previous, so we can say the temperature is decreasing. We also notice that the rate of decrease is getting smaller, possibly because the temperature is approaching a horizontal asymptote.
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2. The horizontal axis, where temperature is plotted, is conventionally called the x-axis.
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3. The label on the vertical axis is "temperature" and the graph title is "cooling a hot drink ...", so we presume the dependent variable is the temperature of a hot drink.
The domain of the function h(x) is x is greater than -1
<h3>How to determine the domain of the function h(x)?</h3>
The graphs of the functions are given as attachment
From the attachment, we have the following domains:
- Domain of f(x): x > 2
- Domain of g(x): x > -1
The equation of function h(x) is
h(x) = f(x) - g(x)
The domain of the function g(x) is greater than that of the function f(x)
This means that the function h(x) will assume that domain of the function g(x)
Hence, the domain of the function h(x) is x is greater than -1
Read more about domain at:
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1121/31 or you can make it a whole number
Answer:
what do you want help with
Hello,
-9n²+79=-18n
==>9n²-18n-79=0
==>9(n²-2n+1-1)-79=0
==>9(n-1)²-88=0
==>[3(n-1)-2√22][3(n-1)+2√22]=0
==>3(n-1)=2√22 or 3(n-1)=-2√22
==>n-1=2/3*√22 or n-1=-2/3*√22
==>n=1+2/3*√22 or n=1-2/3*√22
