Answer:
The correct answer is:
[tex]f(3)=23[/tex]
Step-by-step explanation:
By evaluating first, and then the mathematical calculation, we have:
[tex] f(3)= 3^{2} + 2 ×3^{2} - 3 -1 [/tex]
[tex] = 9 +18 -3-1[/tex]
[tex] = 23 [/tex]
