MATH 115 Midterm: MATH 115 Test 1
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1. find the domain of the following functions: (1) f (x) = x3 + 5x2 7 (2) f (x) = (x 1) 4 (3) f (x) = x2 + 3 (4) f (x) = (5) g(x) = (6) f (x) = 1 (2) g(x) = x 1 (3) f (x) = x + 1 x g(x) = x2 1 f (x) = x + 1 g(x) = Explain: find the following limits if they exist: (if the limit does not exist, indicate dne ) (1) lim x 2 2x + 1 x + 2 (2) lim x 2. 5x x + 3 x2 + 4x + 3 (4) lim x 3 x + 3. 2x3 + 5 (7) lim x (5) lim x 2 x2 x 6 x2 + x 2 (8) lim x . 2x2 + 5 (9) lim x (6) lim x 1. Math 115 test 1 sample questions (10) lim x 0.
