Use red and yellow and then a frame. Show both addends 5+7. Draw to make a ten. Then write the new fact. Add.
2 answers:
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For this case we must find the inverse of the following function:
For this, we follow the steps below:
We change f (x) to y:
We exchange the variables:
We solve for y:
We divide between 8 on both sides of the equation:
We raise both sides of the equation to the square to remove the root:
So, the inverse is:
ANswer:
Option C