For parts ae, name the kind of function for each equation given. a. f(x) = 3x + 7 b

Chapter 1, Problem R.2

(choose chapter or problem)

For parts ae, name the kind of function for each equation given. a. f(x) = 3x + 7 b. f(x) = x3 + 7x2 12x + 5 c. f(x) = 1.3x d. f(x) = x1.3 e. f(x) = f. Name a pair of real-world variables that could be related by the function in part a. g. If the domain of the function in part a is 2 x 10, what is the range? h. In a flu epidemic, the number of people infected depends on time. Sketch a reasonable graph of the number of people infected as a function of time. What kind of function has a graph that most closely resembles the one you drew? i. For Figures 1-8b through 1-8d, what kind of function has the graph shown? Figure 1-8b Figure 1-8c Figure 1-8d j. Explain how you know that the relation in Figure 1-8e is a function, but the relation in Figure 1-8f is not a function. Figure 1-8e Figure 1-8f R