Find the total area of the figure. Do not label the solution.
1 answer:
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A function behaving as you state is a linear function, which means that the output varies directly with the input.
So, there exists some constant such that your function is in the form
In fact, if you double the input, you have
And similarly
Note that this is a guess, it may happen that output doubles (triples) if you double (triple) the input, and still the function is not like .
For example, the function
is such that
So, it may seems that doubling and tripling the input doubles and triples the output, but this is not true for every input, for example,
And so doubling the input didn't double the output.