• If q(a) = 0, then L = p(a) q(a) . That's simply the evaluation of the function at a. • If p(a) = 0 and q(a) = 0, then

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If Q A 0 Then L P A Q A That S Simply The Evaluation Of The Function At A If P A 0 And Q A 0 Then 1 (86.74 KiB) Viewed 43 times

• If q(a) = 0, then L = p(a) q(a) . That's simply the evaluation of the function at a. • If p(a) = 0 and q(a) = 0, then p(x) and g(x) have a common factor. Factor both polynomials and cancel the common factors out. Then Li the limit of the equivalent function. • If p(a) = 0 and q(a) = 0, find the one-sided limits and compare them. Practice 1. 2. 3. 4. 5. f(x) f(x) f(x) f(x) f(x) = • If f(a) is undefined, enter "undefined". • If lim f(x) does not exist, enter "DNE". x→a 2 x − 2 x 2 x - 2 x 2 x + 2 x + 2 x 2 2 x + 2 f(2) f(2)= undefined undefined f(2)= 2 f(2)= f(2)= lim f(x) = dne lim f(x) = dne x→2 lim f(x): lim f(x) = x→2 lim f(x) = x→2 -4