Determine whether or not the situation describes a function. Give a reason for your answer. a.
The amount of federal income tax you pay is a function of your taxable income.
No, it is not a function. For a specific income, you pay only one tax amount.
b. Yes, it is a function. At the end of the year, you will have two different tax amounts.
C. No, it is not a function. Every year, you pay a different amount of tax.
d. Yes, it is a function. For a specific taxable income at the end of the year you will pay only one
income tax amount.

On the way home from visiting his family, vincent’s plane cruised at an altitude of 3.2 × 10^4 feet. he had heard that a man named felix baumgartner skydived from an altitude of 1.28 × 10^5 feet. vincent wants to know how much higher felix went on his skydiving trip. question 1 you have already seen how adding numbers works in either scientific notation or standard notation. but can you subtract numbers in scientific notation and get the same results as subtracting in standard notation? to find out, first solve vincent’s problem in standard notation. part a write the cruising altitude of vincent’s plane in standard notation.