A person gets paid 7t dollars for t hours of work. a. Evaluate 7t for t = 1, t = 2, t = 3, and t = 4. Describe the meaning of these results. b. Refer to the results from part (a) to determine how much the person gets paid per hour. Explain. c. Compare the result from part (b) with the expression 7t. What do you notice?