Long distance phone calls cost ten cents for the first minute plus four cents for each additional minute... Let m equal the total number of minutes.
A. 10 + 4m
B. 10m + 4m
C. \((10 + m)^{4}\)
D. 10 + 4(m - 1)
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সঠিক উত্তরঃ
D.
10 + 4(m - 1)
Explanation:
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