Please answer nos. 7, 8 and 9 only

3. Refer to Model 1. Use complete sentences to describe the change in y as x increases when n=0. Justify the pattern you see using your knowledge of mathematics. 4. Refer to the column in the Model 1 table where n=1. a. When x doubles, what happens to y ? b. When x triples, what happens to y ? 5. Use a complete sentence to describe the change in y as x increases when n=1. Justify the pattern you see using your knowledge of mathematics. 6. Refer to the column in the Model 1 table where n=2. a. When x triples, what happens to y ? b. When x quadruples, what happens to y ? 7. Use a complete sentence to describe the change in y as x increases when n=2. Justify the pattern you see using your knowledge of mathematics. 8. Consider the data below and determine the value of the exponent q. Justify your answer with an explanation or a mathematical equation. r=stq 9. Solve for the constant s in Question 8 above