Answer:
Graph B represents a function.
Step-by-step explanation:
Graph B is a quadratic function. y = x^2
You may write them separating the units and tens digits, and then use FOIL to add 4 easy tems. For example, let's compute
:

Hey! The correct answer is 55.
C. it's simple dude. you just plug in each matrix value into the given function and solve. the matrix in C matches the given formula.
Heres the correct order from least to greatest: 3.9, 3 11/12, 3.98. To find the answer you divide 11 by 12 to see that is is .91,or 3.91 which is in between 3.9 and 3.98.