Question

$if \: f(x) = x {}^{2} + 3 \: then \: f( - 2) = \\ \\ a) \: 6 \\ b) \: 7 \\ c) \: 12 \\ d) \: 4$

solution :


answer : ​

Answer 1

Answer:

(b)7

Step-by-step explanation:

$\implies f(-2)=(-2)^{2}+3$

$\implies f(-2)=4+3$

$\implies f(-2)=7$

Answer 2

Step-by-step explanation:

x^2+3

x(-2)=-2^2+3

= 4+3=7