⎩⎪⎪⎨⎪⎪⎧f(1)=−62f(n)=f(n−1)+5Find an explicit formula for f(n)f(n)f, left parenthesis, n, right parenthesis.

answer by yourhope:

hi! : )

a farmer that lived in ancient egypt would most likely be barried in the sand, in the desert!

: )

hello,

as we don't know if g(x) is continue,

answer b

f(x)=2x²-8x+1=2(x²-4x+4)+1-8=2(x-2)²-7

vertex is (2,-7) ( a minimum since coefficient of x² is > 0)