Solve.The monthly cost of a certain long distance service is given by the linear function
where C(t) is in dollars and t is the amount of time in minutes called in a month. Find the cost of calling long distance for 140 minutes in a month.
A. $18.75
B. $23.95
C. $9.80
D. $19.75
Answer: D
Mathematics
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A.
B.
Function is its own inverse.
C.
D.
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A.
B.
C.
D.
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Is f continuous at 4 ?
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