Question

show that f(x)=5.5x^2+7x is O(x^2)​

Answer 1

$f(0)= 0,$ proved.

Step-by-step explanation:

We have:

$f(x)=5.5x^{2} +7x$

Put x =0, we get

$f(0)=5.5(0)^{2} +7(0)$

= 0 + 0

=  0

Hence, [tex]f(0)= 0, proved,