Question

Let f: N - N defined by f(x)= x2+4 then f(3) =
[A] 10
[C] 12
[B]
[D]
11
13
oc​

Answer 1

Answer:

f(x) = x^(2) + 4

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

= 9 + 4

= 13

hope it helps u

Answer 2

Answer:

$f(x) = {x}^{2} + 4$

then,

$f(3) = {3}^{2} + 4$

$f(3) = 9 + 4$

$f(3) = 13$