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The function [tex][tex]$t=19m+65$[/tex][/tex] represents the temperature [tex]$t$[/tex] (in degrees Fahrenheit) of an oven after preheating for [tex]$m$[/tex] minutes.

Identify the independent and dependent variables.

Independent variable: [Select]

Dependent variable: [Select]


Sagot :

To identify the independent and dependent variables in the function [tex]\( t = 19m + 65 \)[/tex], let's break down what the function represents and how these variables interact.

1. Understanding the Function:
- The function [tex]\( t = 19m + 65 \)[/tex] tells us that the temperature [tex]\( t \)[/tex] in degrees Fahrenheit of the oven is determined by how many minutes [tex]\( m \)[/tex] it has been preheating.
- Here, [tex]\( t \)[/tex] (temperature) is expressed in terms of [tex]\( m \)[/tex] (minutes).

2. Independent Variable:
- The independent variable is the one that you manipulate or control.
- In this scenario, the time [tex]\( m \)[/tex] (in minutes) is the variable you can control. You decide how long the oven preheats.

3. Dependent Variable:
- The dependent variable is the one that responds to the changes in the independent variable.
- Here, the temperature [tex]\( t \)[/tex] (in degrees Fahrenheit) depends on how many minutes [tex]\( m \)[/tex] you have been preheating the oven. The temperature changes as time passes.

4. Identifying the Variables:
- Independent Variable: [tex]\( m \)[/tex] (minutes)
- Dependent Variable: [tex]\( t \)[/tex] (temperature in degrees Fahrenheit)

So, the independent variable is [tex]\( m \)[/tex] (minutes), and the dependent variable is [tex]\( t \)[/tex] (temperature in degrees Fahrenheit).
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