Answered

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F(x)=f(x-1)+2x+1 if f(2) =17 what’s f(1)

Fxfx12x1 If F2 17 Whats F1 class=

Sagot :

rspill6

Answer:

f(1) = 12

Step-by-step explanation:

We know that f(x)=f(x-1)+2x+1

We are told that f(2) = 17

Use the first equation to calculate f(1).  Since f(2) is known and f(x-1) will become f(1) after f(2-1) is simplified to f(1).

17 = f(2-1)+2*2+1

f(2-1) = 17 - 5

f(1) = 12

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