Combining Functions playing Bingo... MATH style!

1. 8.5 Bingo! By: Cindel, Sarah, Lucas, Aleks, Quinn and Olivia

2. An equation that models sound intensity is dependent on what two variables? a) time and altitude b) frequency and wavelength c) time and frequency d) wavelength and amplitude

3. Notes sound good together if their combined waveform is: a) Regular and repeating b) Irregular and random

4. The height versus time equation of a skier moving down a hill is shown below. 120(0.5^(0.1*x))+2*sin(x) What two types of functions could be combined to create this graph?

5. Which of the following situations would not be best represented by a combined function: a) path of a bungee jumperb) acceleration of a falling object due to gravityc) a predator-prey relationshipd) motion of interfering waves

6. Let f(x)=(x2), let g(x)=(x+6). Using this information, determine the composite function of y=f(g(x))

7. If you combine these graphs what would the resultant graph look like?

8. Which musical note has the higher frequency: C or C#?

9. When modelling combined functions, you need a minimum of 1 or 2 or 3 or 4 functions?

10. (x+1)2/ x 2 +3x+4 can be simplified to: a) (x+1) / (x+3) b) (x+1) / (x+2) c) (x+3) / (x+1) d) (x+2) / (x+3)

11. If f(x)=x+4 and g(x)=x2+1, then f(x)+g(x)=? a) x 2 +x+5 b) x+5 c) x 2 +3 d) 2x+5 e) x 2 +x+7

12. If your heart rate usually looks like this: Explain what would happen if you got scared: a)the frequency would increase and the heart beats would get closer together b)the frequency would decrease and the heart beats would get farther apart c)the maximums would get higher and the minimums would get lower d)it would not make as periodic a function