# How would I algebraically find the range of #-x^2 + 4x -10#?

##### 1 Answer

Apr 15, 2015

Range y:

Write y = -

-y =

-y=

-y=

x-2=

Now for x to be real, -y-6 must be

-y-6

-y

y

Apr 15, 2015

Range y:

Write y = -

-y =

-y=

-y=

x-2=

Now for x to be real, -y-6 must be

-y-6

-y

y

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