11) If y varies directly as and y= 10 when x = 2, then what is the value of y when x = 4?
A)
2.5
B)
20
C)
40
D)
80

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.