Building on composite functions

12 questions

1. __________ interest is when the interest is calculated on the original amount and the interest accumulated over the previous period.
2. Which of the below is the formula for compound interest?
3. £2000 is invested at a rate of 6.5% interest for 3 years. How much is the investment worth at the end of the 3 years? £___
4. If \text{f}(x)=13x-17 evaluate \text{f}(3)
5. \text{f}(x)=10-3x Match the composite functions to their respective values.
6. This table shows the yearly values when £800 is invested in a savings account with compound interest. What is the unknown value of 'Year 1'?
7. Iteration is the repeated application of a function or process in which the output of each iteration is used as the ___ for the next iteration.
8. In iteration notation how do we communicate 'Year 6'?
9. In iteration notation we use y_t to express the current year. How do we express the next year?
10. £250 is invested at a rate of 4% interest for 3 years. Which iterative formula links the current term to the next term?
11. Match the iterative formulae to their matching scenario.
12. If we were simplifying multiple representations of the function \text{f}(x)=3x^2-7x+1 which iterative formula would we use?

License: OGL