Infinite Algebra 2 - P.9 HW Problems

Pre-Calculus

Name___________________________________ ID: 1

©f `2_0q1x5Z XKguktkaP BSToZfTthw[ajrUeg uL[LrCQ.w T `AmlMlu frTiEg_hitrs` draeUs\eCr^v^ezdS.

P.9 HW Problems

Date________________ Period____

Express each interval in set-builder notation and graph the interval on a number line. 1) (1,6]

2) (-3,1]

3) (-¥,5.5)

Use interval notation to express the solution set. 4) 5x + 11 < 26

6) 6 < x + 3 < 8

8) 4 + 3 -

5) 1 - ( x + 3) ³ 4 - 2x

7)

2x + 2 ³2 4

x £9 3

Solve and write your answer in a complete sentence. 9) A truck can be rented from Basic Rental for $50 per day plus $0.20 per mile. Continental charges $20 per day plus $0.50 per mile to rent the same truck. How many miles must be driven in a day to make the rental cost for Basic Rental a better deal than Continental's.

Worksheet by Kuta Software LLC ©W k2z0W1n5C bKZubtzaY SSmolfvtVwdaVrsen WLWLqCz.B a sAzl]ly grmiQgphItxsK trleSsFeiruvoeqdh.A \ wM[audoeH DwhiJtlhU sImnYfOiRnmihtuen eAllrgdeLbvria_ s2j.

Answers to P.9 HW Problems (ID: 1) 1) {x|1 < x £ 6} 2) {x|-3 < x £ 1} 3) {x|x < 5.5} 4) (-¥, 3) ( ) 5) |6,¥ ) 6) 3, 5 7) (-¥,-5]U|3,¥) 8) (-6, 24) 9) You must drive more than 100 miles in order to make Basic Rental a better deal than Continental.

Worksheet by Kuta Software LLC ©j Y2h0G1x5K SKpuHtkaR jSQoFfEtswDaxr_e] hLMLbC^.K s ^ADl`l\ arOiqgzhBtUs] trVe]sge[rPvGemdK.l K DMDand]e^ FwEiStvhJ NIvnVfGipnBidtAep jAJlPgyeJbmrEaS R2l.