Respuesta :
a. 39.99
b. 39.99 + 0.25(35) = 48.74
c. 39.99 + 0.25(1) = 40.24
b. 39.99 + 0.25(35) = 48.74
c. 39.99 + 0.25(1) = 40.24
The following anytime minutes.
(a) 170=$ 39.99
(b) 335=$48.74
(c) 301=$ 40.24
Step-by-step explanation:
C(x) = $39.99 for 0 < x ≤ 300
C(x) = $39.99 + $0.25x for x > 300
a) Total number of minutes = 170
170 mins is less than 300 mins
Therefore the cost is $39.99
b) Total number of minutes = 335
335 mins is greater than 300 mins
It is (335 - 300) = 35 mins more than 300 mins
Therefore the cost is $39.99 + $0.25(35) = $48.74
c) Total number of minutes = 301
301 is greater than 300 mins
It is (301 - 300) = 1 min more than 300 mins
Therefore the cost is $39.99 + $0.25(1) = $40.24
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