What's each algebraic property of this problem?
7c + 0.20(140) = 49 < -- step 0
0.20 x 140 = 28 < -- step 1:
7c + 28 = 49 < -- step 2:
- 28 - 28
7c = 21 < -- step 3:

7 7
c = 3 < -- step 4:

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.