Answer:
23
Step-by-step explanation:
f(x) = 2x² + 5[tex]\sqrt{(x-2)}[/tex] where x = 3
f(x) = 2(3)² + 5[tex]\sqrt{(3-2)}[/tex]
f(x) = 2(9) + 5(1)
f(x) = 18 + 5
f(x) = 23