The given function is f(x) = 3x.
To find the y-intercept, we plug in x = 0:
f(0) = 3(0) = 0
So the y-intercept is 0.
The domain of the function is given as (-2, -1, 0, 1, 2}. This means that the function is defined only for these values of x.
The range of the function is all real numbers, since for any real number y, we can find an x such that f(x) = y. We can see this from the fact that the function is a linear function with a non-zero slope.
The end behavior of the function as x approaches infinity depends on the sign of the coefficient of x, which is positive in this case. Therefore, as x → ∞, f(x) → ∞. Similarly, as x → -∞, f(x) → -∞.
Note that the given domain is a finite set of values, and does not affect the end behavior of the function as x approaches infinity or negative infinity...