SOLUTION: invastigate the promlem y=xsquar+4x-4 name... table like x and y domain.... range..... slope.... asyptom.... graph "that is my question i hope yo

Question 102276: invastigate the promlem
y=xsquar+4x-4
name... table like x and y
domain....
range.....
slope....
asyptom....
graph
"that is my question i hope you may uderstand cause i am not good in english"
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
y=x^2+4x-4
domain: all real numbers.
range: [-8,infinity)
Ed

Solved by pluggable solver: SOLVE quadratic equation (work shown, graph etc)

Quadratic equation (in our case ) has the following solutons:

For these solutions to exist, the discriminant should not be a negative number.

First, we need to compute the discriminant : .

Discriminant d=32 is greater than zero. That means that there are two solutions: .

Quadratic expression can be factored:

Again, the answer is: 0.82842712474619, -4.82842712474619. Here's your graph:

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