2) Harry tried to solve the equation: 1
2
( − 4) = 10
Harry’s Method:
1
2
( − 4) = 10
1
2
= 14
= 5
a) What was his mistake(s)? What should he have done to solve?
b) What is the value of x?
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.
Stephanie runs three days a week. she ran 3 2/3 miles on monday , 4 1/5 miles on wednesday , and 2 2/9 miles on friday. how many miles did she run this week ?