Answer:
Step-by-step explanation:
Refer to the attachment for answer...
10 percent of 60 is 6. So 60+6= 66
Answer:

Step-by-step explanation:
The function
has the vertex at
.
Since
, the graph of the function is a maximum graph.
The highest y-value is the y-coordinate of the vertex which is 5.
Therefore the range is {
}
Therefore the correct answer is B.