For this case we have the following function:
We change the variables:
From here, we clear the value of y.
Then, we make the following change:
Finally, the inverse function is:
Answer:
The inverse of the given relation is:
A model train has a scale of 1 in : 4 ft. If the real train is 20 ft tall, then how tall is the model train?
1 answer:
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