The value of function f(x)=4x at x=3 is 12.
What is function?
A function could be a relationship between two variables x and y where for every value of x has some value of y.
How to evaluate a function?
The given function is f(x)=4x
we have to search out the worth of function at x=3
so we've to merely put x=3 within the function to urge value.
f(3)=4*3
=12
Hence the worth of the function f(x)=4x at x=3 is 12.
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