What is a Function

A function is usually represented by the letter f. In a equation it is usually written like f(x) (meaning f of x). This f(x) simply represents why in an equation. For example you can rewrite f(x)=3x-5 as y=3x-5. To use functions in equations, take whatever's in the x spot and replace it with the x's in the equation. For example for f(2)=3x-5 replace the x with a 2 like 3(2)-5 and the final answer is 1. You can also use functions in domains and intercepts. Here is another example of a function problem.

What I Learned This Week

This week I learned lots of fun things about math. First I learned about inequalities and set notations.  We learned how to express inequalities and write them in interval notation.  Also I learned to use the Sign Chart Method which is

1. Make the inequality with a zero on one side
2. Factor
3. Mark where factors are zero
4. In each interval determine the sign

I also learned about absolute value and its properties and I learned about the rectangular coordinate system and how to graph with inequalities. Lastly I I learned and circles and graphs, the equation of a circle, semi circles and symmetry. Here is a picture of my notes....

All About Me

My name is Mary, i am 16 and I am bad at math. 

Some interesting facts about me are...

• i love sourcream, reading, and boybands (its only two don't judge please)
• i have a strange fascination for World War II
• i love shopping for school supplies more than clothes
• Costco will always be more precious to me than Forever 21 or any other store....at all
• i have 7 siblings, 3 brothers and 4 sisters
• i was home schooled until high school
• i currently have a minor slash major obsession with Bastille, Megan Trainor, Ed Sheeran and TRXYE
• there's nothing i want more than a unicorn pillow pet
• i was cher lloyd in another life
• and i really really don't like math but i'm trying to!!

aaaand yeah!

thats me....

yay

okay

bye