SOLUTION: Given the quadratic function y = 1 + 4x - x2 . Suppose the domain is restricted to the interval (-�, 4), what is the corresponding range of the function in interval notation?

Question 998538: Given the quadratic function y = 1 + 4x - x2 . Suppose the domain is restricted to the interval (-�, 4), what is the corresponding range of the function in interval notation?
Answer by ikleyn(52779)   (Show Source): You can put this solution on YOUR website!
.
= is the downward parabola with the maximum equal to 5 at x = 2.

Next, at x =   ----->   y = -1.25.

At x = 4   ----->   y = 1.

The corresponding range is the interval   (-1.25, 5).

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