Question

Can some one explain to me How the answer tu this equation f(x)=-3x^2+5 is all real numbuhs are less than or equal tu 5 plz

Answer 1

because the graph has a maximum at 5 , it cannot go above 5
if it does it is an imaginary number

Answer 2

Ok kool preciate it bro

Answer 3

no problem....

Answer 4

here is an explanation if you like. for any value of x, \[x^2\geq0\] so the smallest it can be is 0 if x = 0. therefore \[-3x^2\leq 0\] and the biggest it can be is 0. therefore the biggest
\[-3x^2+5\] can be is 5, which it is if x = 0

Answer 5

thnx bro