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a grocery store, the number of customers arriving per hour is shown by the
function f(x) = 2x + 1. Find the number of customers that arrived in
the 6th hour.



Sagot :

f(x) = 2x +1.

Where x is the xth hour. 

Therefore the 6th hour, x=6.

f(6) = 2*(6) +1
      = 12 +1
      =13.       13 Customers.
Cheers.