In Problems 25–32, find the indicated value.
31.
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Calculus for Business, Economics, Life Sciences, and Social Sciences (14th Edition)
- 25. If f(5) = 2, then f-¹(2) =arrow_forward3. 4. 5. 6. y(1.5, 5) fy = f(x) (2, 8) Ay = f(x) 6 y= g(x) 3- (-2, 8) 8F (-2, 0) (2, 0) -3 3 71, -3) үз, - 12) Ty= f(x)\ (-1,0). [ (4, 0). (-3, –12), 3 -4 -2 - (1, 2) -12- 4 y = g(x) -4- y= g(x)\ (a) f(x) > 0 (b) f(x) f(x) (b) f(x) >g(x) (a) f(x)arrow_forwardIn Exercises 29-32, the graph of a function f(y) is given. Sketch the phase line for the autonomous differential equation dy/dt = f(y).arrow_forwardIn Problems 23–28, answer the questions about the given function. x² + 2 26. f(x) = x + 4 23. f(x) = 2x? - x - 1 (a) Is the point (-1, 2) on the graph of f? (b) If x = -2, what is f(x)? What point is on the graph of f? (c) If f(x) = -1, what is x? What point(s) are on the graph of f? (d) What is the domain of f? (e) List the x-intercepts, if any, of the graph of f. (f) List the y-intercept, if there is one, of the graph of f. 24. f(x) = -3x² + 5x (a) Is the point (-1, 2) on the graph of f? (b) If x = -2, what is f(x)? What point is on the graph of f? (c) If f(x) = -2, what is x? What point(s) are on the graph of f? (d) What is the domain of f? (e) List the x-intercepts, if any, of the graph of f. (f) List the y-intercept, if there is one, of the graph of f. x + 2 (a) Is the point ( 1,) on the graph of f? (b) If x = 0, what is f(x)? What point is on the graph of f? (c) If f(x) =5. what is x? What point(s) are on the graph of f? (d) What is the domain of f? (e) List the x-intercepts, if…arrow_forwardIn Problems 11–20, for the given functions f and g. find: (a) (f° g)(4) (b) (g•f)(2) (c) (fof)(1) (d) (g ° g)(0) \ 11. f(x) = 2x; g(x) = 3x² + 1 12. f(x) = 3x + 2; g(x) = 2x² – 1 1 13. f(x) = 4x² – 3; g(x) = 3 14. f(x) = 2x²; g(x) = 1 – 3x² 15. f(x) = Vx; 8(x) = 2x 16. f(x) = Vx + 1; g(x) = 3x %3D 1. 17. f(x) = |x|; g(x) = 18. f(x) = |x – 2|: g(x) x² + 2 2 x + 1 x² + 1 19. f(x) = 3 8(x) = Vĩ 20. f(x) = x³/2; g(x) = X + 1'arrow_forwardIn Problems 16–27, use the accompanying graph of y = f(x). 16. What is the domain of f? 17. What is the range of f? (-2, 2) 2 (-6, 2) 18. Find the r-intercept(s), if any, of f. • (-4, 1) -4 -2 19. Find the y-intercept(s), if any, of f. -2 20. Find f(-6) and f(-4). 21. Find lim_f(x). 22. Find lim f(x). 23. Find lim f(x). 24. Find lim f(x). 25. Does lim f(x) exist? If it does, what is it? 26. Is f continuous at 0? 27. Is f continuous at 4?arrow_forwardExercises 21 -24: The table is a complete representation of f. Use the table to determine if f is one-to-one and has an inverse.arrow_forwardIn Problems 23–30, use the given zero to find the remaining zeros of each function. 23. f(x) = x - 4x² + 4x – 16; zero: 2i 24. g(x) = x + 3x? + 25x + 75; zero: -5i 25. f(x) = 2x* + 5x + 5x? + 20x – 12; zero: -2i 26. h(x) = 3x4 + 5x + 25x? + 45x – 18; zero: 3i %3D 27. h(x) = x* – 9x + 21x? + 21x – 130; zero: 3 - 2i 29. h(x) = 3x³ + 2x* + 15x³ + 10x2 – 528x – 352; zero: -4i 28. f(x) = x* – 7x + 14x2 – 38x – 60; zero:1 + 3i 30. g(x) = 2x – 3x* – 5x – 15x² – 207x + 108; zero: 3iarrow_forwardI Eliminate the arbitrary constants y = x²+ ax + be*arrow_forwardDifferentiate y = In x* V1-3x (2x-1)2 4 4 A. 1-3x 2x-1 4 B. -+ 4 1-3x 2х-1 1. 4. 1-3x 2x-1 4 D. + 1-3x 2x-1 C.arrow_forward5. Which of the following functions has a graph that is the graph of y = f(x) compressed horizontally by a factor of 4? 0) y = (÷-) (d) y = (x) (a) y = f(4x) (c) y = 4f(x)arrow_forwardIn Problems 27–36, verify that the functions f and g are inverses of each other by showing that f(g(x)) = x and g(f(x)) any values of x that need to be excluded. = x. Give 27. f(x) = 3x + 4; g(x) = (x- 4) 28. f(x) = 3 – 2x; g(x) = -(x – 3) 29. f(x) = 4x – 8; 8(x) = + 2 30. f(x) = 2x + 6; 8(x) = ;x - 3 31. f(x) = x' - 8; g(x)· Vx + 8 32. f(x) = (x – 2)², 2; g(x) = Vĩ + 2 33. f(x) = ; 8(x) = 34. f(x) = x; g(x) x - 5 2x + 3' 2x + 3 4x - 3 3x + 5 35. f(x) *: 8(x) = 8(x) 36. f(x) = 1- 2x x + 4 2 - x 1.7 82 CHAPTER 1 Graphs and Functions In Problems 37-42, the graph of a one-to-one function f is given. Draw the graph of the inverse function f"1. For convenience (and as a hint), the graph of y = x is also given. 37. y= X 38. 39. y =X 3 (1, 2), (0, 1) (-1,0) (2. ) (2, 1) (1, 0) 3 X (0, -1) -3 (-1, -1) 3 X -3 (-2, -2) (-2, -2) -하 -하 -하 40. 41. y = x 42. y = X (-2, 1). -3 3 X (1, -1)arrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage