# Questions on Algebra: Exponent and logarithm as functions of power answered by real tutors!

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 Algebra: Exponent and logarithm as functions of power Solvers Lessons Answers archive Quiz In Depth

 Question 195448: Open-Ended Give an example of an exponential equation whose solution is a negative number. Click here to see answer by J2R2R(94)

 Question 195449: Write each expression as a single natural logarithm. 30. 2 ln 10 - ln 5 31. 5 ln a + 3 ln b 32. 2 ln z - 1/2 (ln x 1 +3 ln y) Click here to see answer by windsolace(8)

 Question 195453: Writing.. Describe the effect of different values of a on the function y = ab^x. Click here to see answer by solver91311(16885)

 Question 195452: Investment You put \$2000 into an account earning 4% interest compounded continuously. Find the amount at the end of 8 yr. Click here to see answer by Mathtut(3670)
 Question 195452: Investment You put \$2000 into an account earning 4% interest compounded continuously. Find the amount at the end of 8 yr. Click here to see answer by solver91311(16885)

 Question 195450: Write each logarithmic expression as a single logarithm. 24. log 2 + 3 log 1 2 25. log a - log ab Click here to see answer by Alan3354(30993)

 Question 195522: Ok so I have the solutions to the problem...but I keep coming up with the wrong answer and I don't understand why. Here's the problem: The instructions are to solve each equation or inequality. Round to four decimal places. Here's what I've tried: The book says that the solution is 3.716 Click here to see answer by Edwin McCravy(8909)

 Question 195736: These are problemsusing expotential equations. Any help you could offer would be greatly appreciated because I am struggling with these. Thank you. 1. The volume of a cubical bin is 27 cubic feet. What are the length, width, and height? 2. The formual for nth term b of a geo series is b=ar to the n-1 Find n when b=1024 a=16 4-2 3. If a set has three elements, how many subsets does it have? Click here to see answer by jim_thompson5910(28595)

 Question 196459: how do you find the inverse function f^-1(x) for f(x)=2(3)^x? Click here to see answer by nerdybill(6958)

 Question 197347: Simplify the following exponential expression. Do not leave negative exponents. (x^-3 y^2)^2/(x^4y^3)^3 Click here to see answer by solver91311(16885)

 Question 197411: Evaluate log base 4 of 384; log base four of three is approximately .79 Click here to see answer by Alan3354(30993)

 Question 197740: write an equation for the line that contains the point (4,-1) and is perpendicular to the equation y= -2/3x + 7 Click here to see answer by RAY100(1637)

 Question 197820: Express log(2)64-log(2)4 as a single logarithm. Simplify as possible. Click here to see answer by stanbon(57342)

 Question 197734: write an equation for the line that contains the point (7,0) and is perpendicular to the equation y= -12x - 8 Click here to see answer by Mathtut(3670)

 Question 197733: write an equation for the line that contains the point (4,-1) and is perpendicular to the equation y=2/3x + 7 Click here to see answer by Mathtut(3670)

 Question 197953: The concentration C of a drug in the bloodstream at time t (in hours) can be approximated by C=100(1-e^-0.5t). What will the concentration be after 8 hours? I am lost..... Please help. Thanks. Click here to see answer by jim_thompson5910(28595)

 Question 198117: Evaluate this logarithm.. :)? log[8]1/256 [] means its the number is the base. thanks for helpin Click here to see answer by stanbon(57342)

 Question 198137: use the change of base formula to rewrite each expression using common logarithms. [] number in it is the base.. thanks a bunch for helpin 1. log[4]12 2. log[2]5 3. log[8]14 Click here to see answer by RAY100(1637)

 Question 198120: please graph this logarithemic function.. thanks big time:) [] means the number in it is the base.. y=log[1/2]x Click here to see answer by arallie(162)

 Question 198116: Describe how the graph of each function is related to the graph of its parent function? please note that [] means the whole thing is ^.. thanks 1. y=-2^[x]+1 2. y=3^[x-4] 3. y=5^[x+1]-2 Click here to see answer by arallie(162)

 Question 198118: please graph this logarithemic function.. thanks big time:) [] means the number in it is the base.. 1. y=3-log[3]x Click here to see answer by anantha(86)

 Question 198276: please graph this logarithmic function.. or give me the points.:) y=log[1/2]x [] number in it means base. thanks for helpin me:) Click here to see answer by solver91311(16885)

 Question 198278: write an exponential function of the form y=ab^x that includes the given points.. (-1,3/8),(1,3/2) thanks for the help Click here to see answer by stanbon(57342)

 Question 198275: please graph this logarithmic function.. or give me the points.:) y=log[4](x+1) [] number is the base... thanks for helpin Click here to see answer by stanbon(57342)