If f(1) = 7 and f(n) =f(n-1)-4 then find the claue of f(6)

-20

Step-by-step explanation:

f(n)=f(n-1)-4

f(6)=(6-1)-4

f(6)=-20

I hope am correct

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x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a