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Suppose f and g are continuous functions such that g(8) = 2 and the limit as x approaches 8 [3f(x) + f(x)g(x)]= 30.

Find f(8). Do you treat f(8) as if it is a variable and solve for it?

Respuesta :

it is given that f and g are f and g are continuous functions therefore
 lim[x -> n] f(x) = f(n) 
lim[x -> n] g(x) = g(n) 
3(f(8)+2(F(8)=30
5(f(8)=30
f(8)=6

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