PLEASE HELP (40 POINTS) (Score for Question 1: ___ of 8 points) 1. Use the table and the graph to answer the questions.
Function 1
x

2 3
y 4 6.5 9 -4 -6.5
Function 2

(a) What is the rate of change for each function? Show your work.
(b) Which function has the greater rate of change?


(Score for Question 2: ___ of 12 points)
2. The restaurant bill you and your friend received was not itemized. You ordered 2 slices of waffles and the grand slam, for a total of $6.00. Your friend ordered 3 waffles and the grand slam for $6.75.
(a) Write a system of equations for the situation. Use w for the amount charged for a waffles and g for the amount charged for the grand slam.
(b) Graph the equations in the system.
(c) Use your graph to estimate how much each item cost.


(Score for Question 3: ___ of 10 points)
3. The distance to Pluto is approximately 5,900,000,000 km. A firefly is about 0.04 cm. long.
(a) What is the distance to Pluto written in scientific notation?
(b) What is the length of a firefly written in scientific notation?
(c) How many fireflies would it take to reach Pluto if they were put end to end? Write your answer in scientific notation and round to the nearest tenth (Hint: Check the units before you complete the operation)