Exponentials (1.5)-problems

Exponentials (1.5)-problems - 2 2 x =-8 13 3 x =-12 13 4 x...

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handa (nh5757) – Exponentials (1.5) – bormashenko – (54880) 1 This print-out should have 10 questions. Multiple-choice questions may continue on the next column or page – fnd all choices beFore answering. 001 10.0 points ±ind the solution oF the exponential equa- tion 4 7 x = 16 1 2 x +6 . 1. x = 2 2. x = - 2 3. x = 12 7 4. x = - 12 7 5. none oF these 002 10.0 points ±ind x when 2 x = 8 y , 4 x = 16 y - 1 . 1. x = - 6 2. none oF these 3. x = 6 4. x = 2 5. x = - 2 003 10.0 points Determine which, iF any, oF the Following f ( x ) = 25 x + 10 , g ( x ) = 5 2 x +2 , h ( x ) = 25 (25 x ) , defne the same Function. 1. f, g, and h 2. only f, h 3. only g, f 4. only g, h 5. none oF f, g, or h 004 10.0 points Starting with the graph oF y = e x write the equation oF the graph that results From re- ²ecting about the line y = 7. 1. y = e x - 14 2. y = - e x - 14 3. y = 14 + e - x 4. y = 14 + e x 5. y = 14 - e x 005 10.0 points IF a, b are the solutions oF the exponential equation 4 x 2 = 16 9 2 x - 9 . calculate the value oF a + b . 006 10.0 points IF x satisfes the equation 4 2 x = 64 3+5 x , determine the value oF x . 1. x = - 9 13

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handa (nh5757) – Exponentials (1.5) – bormashenko – (54880)
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Unformatted text preview: 2 2. x =-8 13 3. x =-12 13 4. x =-10 13 5. x =-11 13 007 10.0 points Find the larger solution of the exponential equation 5 x 2 = 25 5 x-12 . 1. x =-6 2. none of these 3. x = 4 4. x =-4 5. x = 6 008 10.0 points Starting with the graph of y = f ( x ) = e x write the equation of the graph that results from shifting f ( x ) = 9 units downward. 1. y = 9-e x 2. y = e x-9 3. y = 9-e x-9 4. y = e x + 9 5. y = e x-9 009 10.0 points Which function has 2 4-2-4 2 4-2-4 as its graph? 1. f ( x ) = 2-2-x-1 2. f ( x ) = 2-x-1-2 3. f ( x ) = 2 x-1-3 4. f ( x ) = 3-x-2 5. f ( x ) = 2-3-x 6. f ( x ) = 3 x-3 010 10.0 points Find y when 2 x = 4 y , 4 x = 2 y +5 . 1. y = 7 3 2. y = 5 3 3. y = 2 4. y = 4 3 5. y = 1...
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Exponentials (1.5)-problems - 2 2 x =-8 13 3 x =-12 13 4 x...

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