2. Ken walks toward and then away from a wall. Is the graph of his distance from the wall a function of elapsed time? Why or why not? Answer the question using the definition of a function. Make a sketch of the graph. Label the axes. 3. Sketch the graph of a function that has each of the following: y= f(x) has a domain of all real numbers and range f(x)<0 y=g(x) has a domain x>0 and a range of all real numbers omulov y = k(x) has domain x E (-o, 00) and range У € [-1,1] y=h(x) has a domain of all real numbers and a range of {3}

Unit 8: Formulas and Functions Review 3. A local towing company charges $5.50 for each mile plus a reservation fee of $12. They tow a maximum of 30 miles. a. Write a formula for the function C(x), representing the total cost to tow the car x miles. b. Determine C(8). Show your work. Write your answer as an ordered pair and interpret its meaning in a complete sentence. c. Determine x when C(x) = 100. Show your work. Write your answer as an ordered pair and interpret its meaning in a complete sentence. d. Practical domain (include units): ≤.rs. ≤C(x) ≤ e. Practical range (include units): f. Construct a good graph of C(x).

The one I bubble in was on accident. (Question is above the graphs) only 1 answer! Say A, B, C, or D to tell me the answer.

your work. For the function f(x) -x² + 3x, find each of the following. Show ts.) Average rate of change on the interval [-2, -1]. Average rate of change from x = 1 to x = 3. Name one x interval on which the average rate of change is zero. Domain: (3, 4.5) Graph of f(x) On what interval is the function decreasing? Give the entire interval and use interval notation. What are the domain and range of f(x)? Use interval notation. Range::