Obj25thru31Sp11

# Obj25thru31Sp11 - Objective 25 Solving Exponential...

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Objective 25 Solving Exponential Equations when we can’t obtain the same base. Objective 25a Solve. 6 2 x - 1 = 14 3 - x Solve. 2 5 x +3 = 12 Objective 25b Solve. 1400 e 3 x +1 = 4200 Solve. 40 e 2 x = 120 Objective 26 Solving Logarithmic Equations Objective 26a All terms in the equation involve log functions. Solve. log x + log( x - 2) = log( x + 4) Solve. log 3 (11 + x ) - log 3 ( x + 7) = log 3 ( x + 5) 1

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Objective 26b Use the Defnition oF logarithmic notation. Solve. 5 - 7 log 1 / 3 x = 5 Solve. log( x 2 +2 x + 11) = 1 Objective 27 Solving Equations that involve exponential Functions. Solve. 4 x 3 e x - x 4 e x e 2 x =0 Solve. 2 e 2 x (4 x + 5) 3 - e 2 x · 3 · (4 x + 5) 2 · 4 (4 x + 5) 6 =0 2
Solving Equations that involve natural logarithmic functions. Solve. 22 - ± 12 ln x + 12 x · ± 1 x ² - 7 = 0 Solve. ± 2 x ² · x - 2 ln x x 2 =0 Objective 30 Solve 2 linear equations in 2 unknowns There are 3 possible situations. x

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## This note was uploaded on 03/18/2012 for the course CLGALG MAC1105 taught by Professor Marthablackwelder during the Spring '12 term at Florida State College.

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Obj25thru31Sp11 - Objective 25 Solving Exponential...

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