Math Help - [SOLVED] can u graph dis equation ?

1. [SOLVED] can u graph dis equation ?

hello again

plz can any1 graph dis equation ? I really need it !!

$f(x)=81-x^2$

plllllllllz ! Thanks so much !

2. Originally Posted by calculus-geeks09
hello again

plz can any1 graph dis equation ? I really need it !!

$f(x)=81-x^2$

plllllllllz ! Thanks so much !
it is an inverted parabola. do you know what $-x^2$ looks like? it is a simple transformation. just shift the graph up 81 units and you get $81 - x^2$

then you can find the intercepts if you want. do you know how to do that?

3. Originally Posted by Jhevon
it is an inverted parabola. do you know what $-x^2$ looks like? it is a simple transformation. just shift the graph up 81 units and you get $81 - x^2$

then you can find the intercepts if you want. do you know how to do that?

thnks