alahewett2043
22.01.2021 •
Physics
The same balloon which has a charge of 7.2 nC is brought close to another student's hair who's
charge is unknown. The force experienced is 152 N and the distance between the balloon and
hair is 0.15 m. What is the charge on the student's hair (the second charge)?
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Ответ:
we have been given a quadratic function and we need to restrict the domain such that it becomes a one to one function.
we know that vertex of this quadratic function occurs at (5,2).
further, we know that range of this function is .
if we restrict the domain of this function to either or , it will become one to one function.
let us know find its inverse.
upon interchanging x and y, we get:
let us now solve this function for y.
hence, the inverse function would be if we restrict the domain of original function to and the inverse function would be if we restrict the domain to .