A security alarm requires a four-digit code. The code can use the digits 0–9 and the digits cannot be repeated.
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Answer:
Here, the given function that represents the number of hours of daylight in New Orleans in 1994 is,
Where,
x = the number of days after March 21
The number of days from 1 January to march 21 = 80
If x = -80, then,
Therefore, the number of hours of daylight on January 1 are 9.38.
The number of days from march 21 to may 4 = 44
If x =44, then,
Therefore, the number of hours of daylight on May 4 are 13.27.
The number of days from October 28 to may 4 = 221
If x = 221, then,
Therefore, the number of hours of daylight on October 28 are 10.23.