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Nov 26th, 2014
Anonymous
Category:
Mathematics
Price: $5 USD

Question description

1.Two Martians, Splott and Fizzle, have solved the equation 2x + 4 = –3x + 14. Examine the work of Splott and Fizzle. Identify any errors in the Martians’  calculations and explain, using complete sentences, what corrections they should make

Splott                                                                                  Fizzle

2x + 4 = –3x + 14                                                     2x + 4 = –3x + 14

2x + 4 + 3x = –3x + 14 + 3x                               2x + 4 – 2x = –3x + 14 – 2x

5x + 4 = 14                                                                    4 = 14 – 5x

5x + 4 + 4 = 14 + 4                                               4 – 14 = 14 – 5x – 14

5x = 18                                                                         –12 = –5x

5x/5 = 18/5                                                             –12 + 5 = –5x + 5

x = 18/5                                                                           –7 = x


2. Create your own function to teach the Martians about functions. Your function must contain at least two different operations.

3. Using complete sentences, prove to Splott and Fizzle that your function is a legitimate function.

4. Using your function, explain to the Martians how to solve for f(3). Show your work and explain each step using complete sentences.

5.Using complete sentences, describe to the Martians how to find the inverse of your function.


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