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22. 0 = 2x – 11

22. 0 = 2x – 11

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Practice and Problem Solving Extra Practice is on page R2. ample 1 Find the x- and y-intercepts of the graphs of each function. 13 fx) = 2x – 6 16. flz) = -x+1 14. flx) = -2x + 7 15. flx) = -4x – 8 %3D 17. flx) = 4x – 2.8 18. Alx) = r + 4 19. f(x) = -x + 4.8 20. flx) = x - 21. f(x) = –8x + 2 amples 2-3 Solve each equation by using the graph of its related function. 24. 0 = -x+5 27. 0 =*– 10 22. 0 = 2x – 11 23. 0 = 4x + 12 25. 0 = 4x + 2 26. 0 = -6x + 18 28. ELEVATOR CAPACITY The maximum capacity of a service elevator in the new town hall is 1200 pounds. A delivery person, who weighs 180 pounds, is bringing boxes of paper to the fourth floor. Each box of paper weighs 60 pounds. a. Write an equation for this situation. b. Write the related function. c. Graph the function and find its zero. State the meaning of the zero in the context of the situation. 29. EARNINGS Francesca bought $25 worth of face painting supplies. At a local fair, she charges $5 to paint a child's face. How many faces must she paint to earn $80? Solve the equation by finding the zero of the related function. connectED.mcgraw-hill.com 135
Transcribed Image Text:Practice and Problem Solving Extra Practice is on page R2. ample 1 Find the x- and y-intercepts of the graphs of each function. 13 fx) = 2x – 6 16. flz) = -x+1 14. flx) = -2x + 7 15. flx) = -4x – 8 %3D 17. flx) = 4x – 2.8 18. Alx) = r + 4 19. f(x) = -x + 4.8 20. flx) = x - 21. f(x) = –8x + 2 amples 2-3 Solve each equation by using the graph of its related function. 24. 0 = -x+5 27. 0 =*– 10 22. 0 = 2x – 11 23. 0 = 4x + 12 25. 0 = 4x + 2 26. 0 = -6x + 18 28. ELEVATOR CAPACITY The maximum capacity of a service elevator in the new town hall is 1200 pounds. A delivery person, who weighs 180 pounds, is bringing boxes of paper to the fourth floor. Each box of paper weighs 60 pounds. a. Write an equation for this situation. b. Write the related function. c. Graph the function and find its zero. State the meaning of the zero in the context of the situation. 29. EARNINGS Francesca bought $25 worth of face painting supplies. At a local fair, she charges $5 to paint a child's face. How many faces must she paint to earn $80? Solve the equation by finding the zero of the related function. connectED.mcgraw-hill.com 135
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