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Write an equation for the nth term of the arithmetic sequence a4=12, d=.25

User AravindaM
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Hello,


u_(4)= 12+(4-4)*(1)/(4)\\ u_(3)= 12+(3-4)*(1)/(4) \\ u_(2)= 12+(2-4)*(1)/(4) \\ u_(1)= 12+ (1-4)*(1)/(4) \\ u_(5)= 12+ (5-4)*(1)/(4) \\ u_(6)= 12+ (6-4)*(1)/(4) \\ ...\\ \boxed{u_(n)= 12+ (n-4)*(1)/(4)} \\
User Gwalshington
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