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Kamila [148]
3 years ago
11

A telephone company offers a monthly cellular phone plan for $ 39.99 It includes 300 anytime minutes plus $ 0.25 per minute for

additional minutes.
The following function is used to compute the monthly cost for a​ subscriber, where x is the number of anytime minutes used.

Upper C left parenthesis x right parenthesis equalsC(x) =39.99
if 0 less than x less than or equals 3000 < x ≤300
0.25 x minus 35.010.25x−35.01
if x greater than 300x > 300
Compute the monthly cost of the cellular phone for use of the following anytime minutes.
​(a)  170=$
​(b)  335=$
​(c)  301=$
Mathematics
1 answer:
Nataly [62]3 years ago
3 0
A. 39.99 
b. 39.99 + 0.25(35) = 48.74
c. 39.99 + 0.25(1) = 40.24
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