Two students have been looking for a function rule for the data below.
n | f(n)
1 3
2 5
3 8
4 12
Akeena: "I got f(n) = $\frac { 1 } { 2 }$
n(n +1) + 2."
Bea: "Yes, but my mom worked a long time on it and said f(n) = $\frac { 1 } { 2 }$
n(n + 1) + 2 + (n - 1)(n - 2)(n - 3)(n - 4). Let's ask the teacher."
How would you respond to the two students?

Question

Two students have been looking for a function rule for the data below.
n | f(n)
1 3
2 5
3 8
4 12
Akeena: "I got f(n) = $\frac { 1 } { 2 }$ 
n(n +1) + 2."
Bea: "Yes, but my mom worked a long time on it and said f(n) = $\frac { 1 } { 2 }$ 
n(n + 1) + 2 + (n - 1)(n - 2)(n - 3)(n - 4). Let's ask the teacher."
How would you respond to the two students?

Quizplus · Accepted Answer

The Answer of Two students have been looking for a function rule for the data below.
n | f(n)
1 3
2 5
3 8
4 12
Akeena: "I got f(n) = $\frac { 1 } { 2 }$ 
n(n +1) + 2."
Bea: "Yes, but my mom worked a long time on it and said f(n) = $\frac { 1 } { 2 }$ 
n(n + 1) + 2 + (n - 1)(n - 2)(n - 3)(n - 4). Let's ask the teacher."
How would you respond to the two students?

Two Students Have Been Looking for a Function Rule for the Data