Question

Use graphing technology to find the range of the function f(x)=-x^2+4.f(x)=−x
2
+4.

Answer 1

The set of Real numbers

Explanation:

x² + 4 is a parabola with the lowest point on the y-axis is 4 and continues up

-x² + 4 is a parabola with the highest point on the y-axis is 4 and continues down.

The range is the distance traveled on the y- axis.

All real numbers.