the domain for f(x)=x^2-1 is -3 is less than or equal to x but x is less than or equal to 3. The smallest value in the range of f is

Question

kc_kennylau · Answer

$$\text{The domain for }f(x)=x^2-1\text{ is }-3\le x\le3\text{. The smallest value in the range of }f\text{ is?}$$

kc_kennylau · Answer

Which grade are you in? I need to know what approach I can use :)

anonymous · Answer

11
:)

kc_kennylau · Answer

anonymous · Answer

thank you!

kc_kennylau · Answer

no problem :)

anonymous · Answer

attachment

kc_kennylau · Answer

That quadratic equation is a little bit special

kc_kennylau · Answer

It's both in the standard form and the vertex form

kc_kennylau · Answer

So you can just use the constant coefficient -1

anonymous · Answer

There are many ways to approach this but the first way on the link kennylau provided is the easiest for this type of functions.

anonymous · Answer

thank you guys!! ^_^

kc_kennylau · Answer

no problem at all :D