F(1)=-8
f(n)=f(n-1)-3
Find the explicit formula
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Find the vertex of the function given below y=x^2-6x+1

Frank owns a $141,000 home, for which he has a 30-year mortgage in the amount of $700 a month. once he has paid off mortgage, how much will he have paid in investment? a. $111,000 b. $109,000 c. $120,000 d. $141,000

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