If i had an equation, how would I find the domain and range?
Not sure if this is a good example but:
F(x) = 4/x^2 - 4x - 6
how would I go about finding the domain and range?

Question

If i had an equation, how would I find the domain and range?
Not sure if this is a good example but: 
F(x) = 4/x^2 - 4x - 6
how would I go about finding the domain and range?

vocaloid · Answer

start by using the quadratic formula on the denominator

triciaal · Answer

the domain is the set of input values (x-values) that satisfies the function
the range is the set of output values (y-values) from the lowest to the highest

helpjebal · Answer

$$x = [-(-4)\pm \sqrt{-4^2-4(1)(-6)} ]\div 2(1)$$

helpjebal · Answer

which equals 
$$x = (4 \pm \sqrt{40})\div2$$

helpjebal · Answer

what next?

triciaal · Answer

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