# 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 647473: Solve for x. ln x / ln 5 = 3 Click here to see answer by swincher4391(726)

 Question 647479: Solve for x log(xy) + log(x2y5) = 21 Click here to see answer by swincher4391(726)

 Question 647427: There are 136 coins in the cash box. There are an equal number of silver dollars and quarters. There are half as many dimes as quarters and one third as many nickels. How much is in the cash box? Click here to see answer by ankor@dixie-net.com(15649)

 Question 647828: A vending machine takes only nickels and dimes. There are 5 times as many dimes as nickels in the machine. The face value of the coins is \$4.40. How many of each coin are in the machine. Click here to see answer by checkley79(3050)

 Question 648869: Solve for x and perform the functions. log3 (2^x) = 10 Click here to see answer by swincher4391(726)

 Question 649422: use log to find the value of x=3(5) Click here to see answer by Alan3354(30993)

 Question 621222: 16. Which of the following is a reason for why the trace function on a graphing calculator can sometimes be better than the Bisection Theorem for finding roots? A. The Intermediate Bisection Theorem applies only to continuous functions, and not all polynomials are continuous. B. The Bisection Theorem can't find roots to more than 3 decimal places. C. Some roots aren't surrounded by one positive and one negative value of the polynomial. Click here to see answer by jjuah1(1)

 Question 651515: How long will it take for the population of a certain country to triple if its annual growth rate is 5.3? Click here to see answer by Alan3354(30993)

 Question 651662: How to solve 9 to the negative 3/2 Click here to see answer by lwsshak3(6494)

 Question 654518: I am really stuck on how to answer this question, it says solve the following equation.. I have already tried making the eqaution equal to 0 and trying to solve it, but i don't know how to, i also tried logging both sides but im not sure how to as both sides contain x and both have powers. Thankyou Click here to see answer by Edwin McCravy(8908)

 Question 655224: valuate: f(x) = 6e^12.77x for x = 2 Click here to see answer by jim_thompson5910(28593)

 Question 657977: find the exact value of the expression ln(1/e) Click here to see answer by jim_thompson5910(28593)

 Question 659772: Simplify each exponential expression 2xy^-2 _________) ^2 y^-3y^3 Click here to see answer by MathLover1(6627)

 Question 660485: What are the two values of x? 3^(x-x^2)=1/81x Click here to see answer by Gogonati(809)

 Question 660718: Hello, I am stuck on a problem for homework and need some help. I worked it out but am not sure if I am right. Here is the problem and my answer. Can you check me please? In(y-1)=1+In(3y+2) I got an answer of y= (2e+1)/(1-3e) Thank you very much for your help. Chris Click here to see answer by Alan3354(30993)

 Question 661422: im giving the below function and im asked to find the domain and the intervals where f(x)>0. f(x)=(e^x-1)ln(x) i seemed to be stuck here e^x-1>0 e^x=-1 -- now what do i do here? x > 0=0 how do i even get started with finding where is greater then zero? Thanks for all your help in advance. Miguel Click here to see answer by lwsshak3(6494)

 Question 662613: Raise the quantity in parenthesis to the indicated exponent and simplify the resulting expression. Express with positive exponents {35x^-2y^2/140x^-3y^-5}^-4 Click here to see answer by Alan3354(30993)

 Question 665840: Simplify and write the answer in exponential notation using positive exponents. 67 · 6 –4 Click here to see answer by Alan3354(30993)

 Question 666069: 1. Calculate the First and the second derivative of the function y = cubic-rt-of (1-x^3) Click here to see answer by Alan3354(30993)

 Question 666136: 1. Find the peaks and the troughs (= interior local maxima and minima) of the function y = x^3 - 10.5x^2 + 30x +20 Click here to see answer by swincher4391(726)
 Question 666136: 1. Find the peaks and the troughs (= interior local maxima and minima) of the function y = x^3 - 10.5x^2 + 30x +20 Click here to see answer by ewatrrr(10682)