Problem Recognition Exercises 217 Problem Recognition Exercises Characteristics of Relations Exercises 1–15 refer to the sets of points (x, y) described in a–h. 12 a. {(0, 8), (1, 4), ( , 4), (–3, 5), (2, 1)} b. {(6, 4), (2, 3), (9, 6), (2, 1), (0, 10)} c1x2 d1x2 5x 9 3x2 2x 1 c. d. e. f. 5 4 y 3 2 1 5 43 1 2 3 4 5 21 1 2 3 4 5 x y 5 4 5 43 1 2 3 4 5 g. h. 21 1 2 3 4 5 x 3 2 1 y f (x) 5 4 y 5 43 21 1 2 3 4 5 1 2 3 4 5 x 3 2 1 x y 1 0 y g(x) 3 6 8 1 2 4 1. Which relations define y as a function of x? 2. Which relations contain the point (2, 1)? 3. Use relation (c) to find c(–1). 4. Use relation (f) to find f(–4). 5. Find the domain of relation (a). 6. Find the range of relation (b). 7. Find the domain of relation (g). 8. Find the range of relation (f). 9. Use relation (h) to complete the ordered pair (__, 3). 10. Find the x-intercept(s) of the graph of relation (d). 11. Find the y-intercept(s) of the graph shown in relation (e). 12. Use relation (g) to determine the value of x such that g(x) 2. 13. Which relation describes a quadratic function? 14. Which relation describes a linear function? 15. Use relation (d) to find the value of x such that d(x) 6.
miller_intermediate_algebra_4e_ch1_3
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