Show work for f(4) = 3x + 2
1 answer:
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Answer:
The limits between which T lies is 273 hours 30 mins < T < 242 hours 30 minutes
Step-by-step explanation:
The number of hours Angharad sleeps each night = 8 hours ± 10 minutes
The actual time Angharad sleeps each night = 8 hours ± 5 minutes
Which gives the maximum time Angharad sleeps = 8 hours 5 minutes = 485 minutes per night
The minimum time Angharad sleeps = 7 hours 55 minutes = 475 minutes
The number of days in the month of November = 30 nights
The maximum time in minutes Angharad sleeps in November, = 30 nights × 485 minutes/night = 14,550 minutes = 242.5 hours = 242 hours 30 minutes
The minimum time in minutes Angharad sleeps in November, = 30 nights × 475 minutes/night = 14,250 minutes = 237.5 hours = 237 hours 30 minutes
Therefore, we have, the limits between which T lies given as follows;
273.5 hours < T < 242.5 hours.
Answer:
= - 4 ×
Step-by-step explanation:
Note there is a common ratio between consecutive terms in the sequence.
r = - 8 ÷ - 4 = - 16 ÷ - 8 = - 32 ÷ - 16 = 2
This indicates that the sequence is geometric with n th term
= a
where a is the first term and r the common ratio
Here a = - 4 and r = 2, thus
= - 4
← explicit rule