Hi there!

Begin by evaluating f - g:
4n - 5 - (n² - 5)
Simplify:
4n - 5 - n² + 5 = 4n - n²
Or it can be written as -n² + 4n to match the first answer choice.
Answer:
the answer for this is option C 4x/x+5
Answer:
decimal form: 1.88982236505
Hope This Helps! Have A Nice Day!!