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

Sagot :

Answer:

The set of Real numbers

Step-by-step 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.

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