Answer:

Explanation:
Given function,
→ f(x) = 2 + 3x - 5
Now we have to,
→ Find the required value of f(3).
Then the value of f(3) will be,
→ f(x) = 2 + 3x - 5
→ f(3) = 2 + 3(3) - 5
→ f(3) = 2 + 9 - 5
→ f(3) = 2 + 4
→ [ f(3) = 6 ]
Hence, the value of f(3) is 6.