f(7) = -5/3
Step-by-step explanation:
To find f(7), substitute 7 for x in the function f(x).
⇒ f(7) = 3/(7+2) - √7-3)
⇒ f(7) = 3/9 - √4
⇒ f(7) = 1/3 - 2 = -5/3