Question

If f(n ) = n^2 + 1 and g(n) = 2n - 5, Find f(n) - g(n)

Answer 1

Answer:

$=n^2-2n+6$

Step-by-step explanation:

$f(n ) = n^2 + 1$

$g(n) = 2n - 5$

$f(n)-g(n)=(n^2 + 1)-(2n - 5)$

$\left(n^2+1\right)-\left(2n-5\right)$

$=n^2+1-\left(2n-5\right)$

$=n^2+1-2n+5$

$=n^2-2n+6$