Calvin’s elevation during a hike is shown by the graph below. Is each of the following a possible interpretation of the graph? A)Calvin started on flat ground.
yes
15
Calvin’s elevation during a hike is shown by the graph below. Is each of the following a possible interpretation of the graph? B)Calvin reached the top of the mountain after 2 hours.
no
15
Calvin’s elevation during a hike is shown by the graph below. Is each of the following a possible interpretation of the graph? C)Calvin stayed at the top of the mountain for about 30 minutes.
yes
15
2) Find the domain of the relation represented on the mapping diagram.
{10,20,30,40}
15
3) While getting ready for tomorrow’s class, Miss Howell can staple 40 packets each minute. How many packets will Miss Howell staple in m minutes? Identify the independent and dependent variables of this situation.
ind: m=#minutes dep: p=#packets
20
4) Is each of the following a function?
yes
10
4) Is each of the following a function?
yes
10
4) Is each of the following a function?
yes
10
4) Is each of the following a function?
no
10
5) The table below shows the relationship between the number of hours a dog spends a doggy day care and the price the facility charges. Write a function that describes the relationship and use it to find the price of a 10 hour stay at dogg
f(x)=40y f(10)=400
20
6) The graph of f(x) = x2-5x+1 is shown to the right. Find the value of f(x) when x=0.
f(0)=1
15
8) Are the relations represented on the graphs below functions? Explain your answer.
no- does not pass vertical line test
10
8) Are the relations represented on the graphs below functions? Explain your answer.
yes- does pass vertical line test
10
8) Are the relations represented on the graphs below functions? Explain your answer.
yes- does pass vertical line test
10
9a) A cafe sells specialty coffee for $3.75 per cup. Write a function for the total cost of coffee depending on the number of cups ordered.
f(x) = 3.75x
10
9b) A cafe sells specialty coffee for $3.75 per cup. Find a reasonable domain for the situation.