F(1) = -2
hope it helps
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10P8 = 10!/(10 - 8)! = 10!/2! = 1,814,400
I’m not quite sure but I think it could be c. 768
40+35 is the answer of the Ixl question
Number of tickets sold on
Friday = x tickets
Monday = (1/2) x
Wednesday = x - 32
