^{2}-x-2) can be simplified by factoring the denominator into (x+1)(x-2) and the (x+1)'s cancel leaving

_{x→2}1/(x-2) =∞

x 1.9 1.99 1.999 2 2.001 2.01 2.1

f(x) -10 -100 -1,000 ∞ 1,000 100 10

limx+1/x^2-x-2

x-->2

table

x 1.9 1.99 1.999 2 2.001 2.01 2.1

f(x)

what is missing is the values of f(x)

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Hi Daisy,

the function (x+1)/(x^{2}-x-2) can be simplified by factoring the denominator into (x+1)(x-2) and the (x+1)'s cancel leaving

Lim_{x→2} 1/(x-2) =∞

table

x 1.9 1.99 1.999 2 2.001 2.01 2.1

f(x) -10 -100 -1,000 ∞ 1,000 100 10

x 1.9 1.99 1.999 2 2.001 2.01 2.1

f(x) -10 -100 -1,000 ∞ 1,000 100 10

Regards

Jim

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