Question

differentiate f(x)=x^2+3​

Answer 1

if x=2

then f(2)=2^2+3
=4+3
=7

Answer 2

welcome to the concept of derivative.

$f(x) = x {}^{2} + 3$

formula used

d (x^n)/dx= nx^n-1

and d(constant) /dx= 0

then it's derivative

f(x)' = 2x+ 0

= 2x

yr answer is 2x