4.2 - ln x = -2ln 3 + 5 ln x = 14 ln x = 2ln 3 + 5 ln x =...

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1 ) Use the logarithm rules to simplify #16. (5pts)   2ln x + (1/2)ln 4 + ln x^2   2ln x + 2ln (2-x)   ln x + ln (4-x^2)   2ln x + (1/2)ln (4-x^2) 2 ) Use the logarithm rules to simplify log(x^5y^8z^(-2)). (5pts)   log x + log y - log z   5log x + 8log y - 2log z   log x^5 + log y^8 + log z^(-2)   -5log x - 8log y + 2log z Answer : Corre ct Points: 5 3 ) Solve #22 for x. (5pts)   x = 16   x = 4   x = 2   x = 8 Answer : Corre ct Points: 5 4 )
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Find ln x for #38. (5pts)   ln x = 3ln 10   ln x = 10ln 3   ln x = -10ln 3   ln x = -3ln 10 Answer : Corre ct Points: 5 5 ) Find ln x for #40. (5pts)
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Unformatted text preview: ln x = -2ln 3 + 5 ln x = 14 ln x = 2ln 3 + 5 ln x = ln 14 6 ) How quickly will money double if it is invested at an annual interest rate of 8% compounded continuously? (5pts) 9.2147 years 9.6643 years 8.6643 years 8.2147 years 7 ) If an account that earns interest compounded continuously takes 15 years to double in value, how long will it take to triple in value? (5pts) 21.8156 years 21.7744 years 23.7744 years 23.8156 years Answer : Corre ct Points: 5...
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4.2 - ln x = -2ln 3 + 5 ln x = 14 ln x = 2ln 3 + 5 ln x =...

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