Rules #1, #2, and #3 are called FUNCTIONS. Rule #4 is NOT a function.

What do you think makes a rule a function?
Please write at least three sentences.

Find the solution of system of equation y= x-4 y=4x+2

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily