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The two questions we are stuck on are:

1. Homework Statement

1. Homework Statement

Q3) What is the equation for the nth term of the series.. 7, 11, 14, 15

Q4) What are the next two number in the series 0, 1, 1, 2, 5, 8, ?, ?

## Homework Equations

None

## The Attempt at a Solution

Q3) Sorry if the formatting is off...

Original 7 11 14 15

1st Dif 4 3 1

2nd Dif -1 -2

3rd Diff -1

So it might be a cubic quadratic (third level difference -1) but there aren't enough given numbers to be certain and anyway he hasn't covered quadratic series yet let alone cubic quadratic.

Q4) Not a clue.

Photocopies of the questions were provided so no typos unless the teacher made them.

We're missing something but what?