y = x
This is a line and a function. Function values are y values.
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Y=sin X is a function because for each value of X, there is exactly one Y value.
The inverse of the function y = x is denoted as y = x. The inverse function essentially swaps the roles of x and y, so the inverse of y = x is x = y. In other words, the inverse function of y = x is the function x = y.
Yes. Think of y as being a function of x. y = f(x) = x2 + 1
Without additional information, one can only say that y is a function of x, w and t.
It would be less steep