1. Warm Ups Term 4 Week 2

2. 1.Identify the roots of the equation and state the multiplicity of each root: -2x 3 – 12x 2 + 30x + 200 = 0 2.What is the inverse of f(x) = 5x + 2 3

3. Warm Up 3/18/15 3.The formula C = 5(F – 32) is the formula that 9 converts degrees Fahrenheit to degrees Celsius. Find the inverse function then use it to convert 16 o Celsius into degrees Fahrenheit. 4. A quantity of insulin used to regulate sugar in the bloodstream breaks down by 5% per hour. A body-weight adjusted dose is usually 10 units. Write a function representing the amount of the dose that remains. How much insulin remains after 10 minutes? How long does it take for half of the dose to remain?

4. Warm Up 3/19/15 5.When he was born in 1990, John’s parents invested $4,200 into a college account that earns 12.2% interest. When John starts college (2008), how much will be in his account? 6.Find the inverse of f(x) = (3x + 7) 3 - 4 7. Find the domain and range of the inverse function: x- 30479 y83.5- 2.5- 7- 10

5. Warm Ups 3/20/15 8.A petri dish sample of bacteria showed 30 bacteria and increases at a rate of 250% per day. How many bacteria are in the petri dish after two weeks? 9.Find the inverse of f(x) = 1x + 5 4 10. Write in logarithmic form: 8 2 = 64 11. Write in exponential form: log 3 729 =6 12. What is the inverse of f(x) = 2.5 x