What are the explicit equation and domain for a geometric sequence with a first term of 2 and a second term of -8
a) an = 2(-8)^ n-1; all integers where n > 1
b) an = 2(-8)^ n-1; all integers where n > 0
c) an = 2(-4)^ n-1; all integers where n > 0
d) an = 2(-4)^ n-1; all integers where n > 1

54 km / hours

step-by-step explanation:

we need to convert seconds to hours

60 seconds = 1 minutes

60 minutes = 1hour

15 m         60 second   60 minutes

  * *         = 54000 meters/ hour

second     1 minute             1 hour

now we need to convert meters to km

1000 m = 1 km

54000 m       1 km

*   = 54 km / hours

hour               1000m

to determine the unit cost your would divide the total cost by the number sold.

7 bagels for $4.41       $4.41/7 = $.63 each at fresh side

5 bagels for $3.60         $3.60/5 = $.72 each at value mart

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