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Math 105 algebra (Example)

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Q1. Suppose that ln 2 = a and ln 5 = b. Use properties of logarithms to write ln 10 in terms of a and b.    a. ab    b. a - b    c. a + b    d. ln a + ln b Q2. If 5x = 6 what does 5-2x equal?    a. 1/36    b. 36    c. 1/12    d. -36 Q3. Find the domain of the function f(x) = log 5 (100 - x2).    a. (-10 10)    b. (-∞ -10) ∪ (10 ∞)    c. (-100 100)    d. [-10 10] Q4. Write log 7 √(xy)/15 as the sum and/or difference of logarithms. Express powers as factors.    a. (1/2) log 7 xy - (1/2) log 7 15    b. (1/2) log 7 x ⋅ (1/2) log 7 y ÷ (1/2) log 7 15    c. (1/2) log 7 x + (1/2) log 7 y - (1/2) log 7 15    d. (1/2) log 7 x expression (4x3 + 4x2)/(x2 + 5)2.    a. (4x - 4)/(x2 + 5) + (-20x + 20)/(x2 + 5)2    b. (4x + 4)/(x2 + 5) + (-20x - 20)/(x2 + 5)2    c. (4x + 4)/(x2 + 5) + (20x - 20)/(x2 + 5)2    d. (4x + 4)/(x2 + 5) + (20x + 20)/(x2 + 5)2 Q37.    a.    b.    c.    d. Q38. Solve the system of equations by elimination.    a. x = 10 y = 0; (10 0)    b. x = 10 y = 10; (10 10)    c. x = 0 y = 10; (0 10)    d. x = 0 y = 0; (0 0) Q39. Find the inverse of the matrix. Be sure to check your answer.    a.    b.    c.    d. Q40. Use properties of determinants to find the value of the second determinant if the value of the first is known.    a. 9    b. -18    c. 18    d. -9 [...]

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Math 105 algebra 40 question multiple choice need by 17 Dec 2017

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