Have you tried asking a teacher for help before this
and did you try to take notes cuse notes are your best friends
It means that 15 times another number equals to your equation.
For the answer to the question, i<span>f a function uses variables other than x and y for its input and output variables, you take the original equation and solve for the input variable to find the inverse.
The answer is Simply true. But in real life it's false.
I hope my answer helped you.</span>
For me personally, the easiest way to do this is by isolating the x² term, and finding the square root of both sides. The hardest way (well actually, the longest way) would be to use the quadratic formula. It just complicates things unnecessarily.
Mean Absolute Deviation I'm pretty sure. Hope this helped, have a great day! :D