MATH 021 Midterm: Math 021 21Ex3SamA
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Exam iii, sample a: find the domain of the rational function f (x) = 6 x + 7 x 7: multiply the rational expressions and simplify: 1 a + 3 a2 + 1 a a a2 + 3a + 2 a a2 + 2a + 1: perform the indicated operations and simplify. 3 x + y x 5y x2 y2 a) b) c) d) 2x 8y (x y)(x + y: perform the indicated operations. x. X2 + x + 2 x x2 2x x x 2. 2x b) c) d: simplify (x 2)(x + 1) 2 x+4 1 x+2 x+4: 1, 2, 1, 2, divide the rational expressions and simplify: 3: perform the indicated operations and simplify. Exam iii, sample a: solve the rational equation. 8: y = 4, solve the rational equation. 16: simplify 3px6y5, x3y 3py2, x2y 3py2, x2 3py5, x3y2, add or subtract, if possible.
