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If the question is, Is y = x4 an exponential function ? then the answer is no.

An exponential function is one where the variable appears as an exponent.

So, y = 4x is an exponential function.

Q: Is y equals x4 an exponetial function?

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y = x This is a line and a function. Function values are y values.

Y=sin X is a function because for each value of X, there is exactly one Y value.

y = -8 is a function because when graphed, it passes the vertical line test.

Yes. Think of y as being a function of x. y = f(x) = x2 + 1

You can tell if an equation is a function if for any x value that you put into the function, you get only one y value. The equation you asked about is the equation of a line. It is a function.

Related questions

determine whether each relation is a function y equals -8

y = x This is a line and a function. Function values are y values.

y=x+2if y=66=x+26-2=x4=xso x=4

no

(x2 + y2)(x + y)(x - y) = x4 - y4.

If you plug in y for the x function, and it equals the answer you got, it is right.

y - |x| is an expression, not a function.

Y=X^2 is a function for it forms a parabola on a graph.

Yes.

Yes, it is.

Yes.

Y=sin X is a function because for each value of X, there is exactly one Y value.