Question

I need help knowing the range of this function. the graph of it is
`y = {x}^(2) - 2x - 8`

Answer 1

Given the function:

`y=x^2-2x-8`

Let's determine the range of the function using the graph.

The range of a function is the set of all possible y-values which define the function.

From the graph shown, the value of y starts from the vertex at y = -9 and goes upward.

Therefore, the range of the function is all values of y greater than or equal to -9.

y ≥ - 9

Hence, in interval notation is:

`[-9,\infty)`

ANSWER:

`[-9,\infty)`