Question

Urusigillicit Score: 0 of 1 pt 14 of 58 (5 complete) 9.1.97 A long-distance telephone service provider charges a monthly service fee of $5.70 plus $0.05 for each minute of long-distance calling a. Find the function B(t) that expresses the monthly bill in terms of t, the amount of time (in minutes) of long-distance calling. b. Find B-1(). c. Explain the significance of the inverse within the context of the situation. a. B(t)= (Simplify your answer. Use integers or decimals for any numbers in the expression.)

Answer 1

() for long distance telephone service Povider given that a cal it change monthly service fee = $5.70 and for each minute of long distance Calling charger = $0.05 each minute function can be written as- y-mate BlA= 0.05&t sito t = time (in minutes) $5.70 = fixed monthly charge Bit) tofel charge (b) find B(A) for Bit relte white equation of t in terms of BL* tB(A) B()t than replace Given) B(A) = 0.05tt5.70

0.ost = Bla)- 5-zo * Blts.70 ta B( 5.70 0.05 0.05 { this too 0:05 =-20 t = 20 BLt) - 2005. to t = 2048Lt) 114 replace t by Bity z &lt byt BHit= 2ot 114 (C) 20t-114 O [ Bitit = 204-44] t = "A = 5.7 Minute till 5.7 minute it didn't charge after that start charging