The table below shows some input and output values for a function named F(n). Which of the following equations describes F(n)?

N F(n)
0 5
1 8
2 11
5 20
10 35
20 65

a:F(n)=4n
b:F(n)=n+5
c:F(n)=3n+5

Question

The table below shows some input and output values for a function named F(n). Which of the following equations describes F(n)?

N             F(n)
0               5
1               8
2               11
5               20
10             35
20             65

a:F(n)=4n
b:F(n)=n+5
c:F(n)=3n+5

texaschic101 · Answer

just a matter of subbing...
f(n) = 3n + 5
now sub..
5 = 3(0) + 5......5 = 5...correct
and u will find that when using f(n) = 3n + 5 and subbing in ur inputs and outputs...they will all equal.