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

Tutors Answer Your Questions about Exponential-and-logarithmic-functions (FREE)

Question 114268: (2/3)log_x512=2
Click here to see answer by bucky(2189)

Question 114640: This is a composition of Functions problem

If and find (f0g)(x)
So I put f(g(x))
=
= now I am stuck, do I add it all together or leave it like that??
Click here to see answer by stanbon(57219)

Question 114644: I have a couple questions that are hard for me to answer.
1. what is the answer to this? log(2)(x^2+2x-44)=2?

Click here to see answer by stanbon(57219)

Question 114927: Please help solve this...
log9(x-7)+log9(x-7)=1
Click here to see answer by bucky(2189)

Question 114647: f(x)= square root of (x+1), g(x)= 1/(x-1)
Click here to see answer by solver91311(16868)

Question 113581: log3 (x+2) + log3(x-2) = 1
Click here to see answer by solver91311(16868)

Question 115031: how would i do the problem 3x^2+4x=7
Click here to see answer by MathLover1(6614)

Question 115031: how would i do the problem 3x^2+4x=7
Click here to see answer by jim_thompson5910(28476)

Question 114991: Perform the indicated operations
(5x^2 -3x +2) + (-3x^2 -5x -8) - (x^2 + 3x -10)
Click here to see answer by jim_thompson5910(28476)

Question 114993: Use the foil to mutliply

(5x -8)(x -7)
Click here to see answer by checkley71(8403)

Question 114996: multiply
(4x + 1)(2x^2 +x + 1)
Click here to see answer by Fombitz(13828)

Question 115278: For f(x) =2x-11, find f(2)
Click here to see answer by jim_thompson5910(28476)

Question 115279: convert to a scietific notation (here you may use x as multiplication)
0.000347
Click here to see answer by stanbon(57219)

Question 115351: Please help me with this question?
What are the asymptotes of the functions f(x)=3^x and g(x)=logv52^x?
I don't have a clue even where to begin.
Click here to see answer by stanbon(57219)

Question 115540: Plot the graph
f(x)=3x - 2

Click here to see answer by jim_thompson5910(28476)

Question 115603: Plot the gragh
f(x)=(1/2)x

Click here to see answer by tutorcecilia(2152)

Question 115694: log base 2 of 32=x
Click here to see answer by jim_thompson5910(28476)

Question 115701: log base5 (3x+15)- log base 5 of 3x=1
Click here to see answer by solver91311(16868)

Question 116143: Need some help on how to plot the graph of :
f(x)=(1/2)^x
Click here to see answer by stanbon(57219)

Question 116143: Need some help on how to plot the graph of :
f(x)=(1/2)^x
Click here to see answer by smartasu(1)

Question 116264: Need some help with this question.
Evaluate the functions for the values of x given as 1,2,4,8 and 16. Describe the differeces in the rate at which each function changes with increasing values of x.
1. f(x)= 3x+2
Click here to see answer by edjones(7569)

Question 116425: Ok guys I am really lost on this one
Factor completely
x^3-26x^3+48x
Click here to see answer by checkley71(8403)

Question 116425: Ok guys I am really lost on this one
Factor completely
x^3-26x^3+48x
Click here to see answer by stanbon(57219)

Question 116571: I need help with these factoring makes no sense to me
Factor out completely
x^2-5x-14

factor completely
4x2-36y^2
thank you any help someone can give me would be most helpful.
Click here to see answer by MathLover1(6614)

Question 116570: Write 3,400 in scientific notation.
Click here to see answer by MathLover1(6614)

Question 116570: Write 3,400 in scientific notation.
Click here to see answer by bucky(2189)

Question 116560: I am not even sure how to plug this in to my calculator. I do not know what order to take to break this down. Please help me solve for x.
a. e^in(3-2x) =5x b. In x - In 2 = 1
Click here to see answer by Edwin McCravy(8879)

Question 116590: Simplify
(3 2nd power)(-4 2nd power)
Click here to see answer by jim_thompson5910(28476)

Question 116559: Can anybody help me slove this? I dont know how to break this down. It is my first time working with logrithms. I believe the 10 is the base and should appear to be smaller but I don't know how to indicate that typing. Sorry. I need help solving for x.
3log10(x=3)=6
Click here to see answer by jim_thompson5910(28476)

Question 116807: factor completely
3x^2-2x-8
Click here to see answer by Fombitz(13828)

Question 116807: factor completely
3x^2-2x-8
Click here to see answer by jim_thompson5910(28476)

Question 116806: I can not understand these steps am I missing something nothing makes sense to me
factor out completely
x^2-6wy+3xy-2wx
this is were I get stumped i would factor out x's and w's but how thats the only thing this has in common.
Click here to see answer by scott8148(6628)

Question 116932: I need help!! I'm not sure if i'm working this right.
a = p(1+r/n)^nt
solve for a
p = 4000
r = 0.07
n = 1
t = 8 so...
a = 4000(1+0.07/1)^(1)(8)

Click here to see answer by bucky(2189)

Question 116937: I need help...The question is (suppose that the function P=12+50lnx represents the percentage of inbound e-maill in the U.S. that is considered spam, where x is the number of years ofter 2001. Use this model to approximate the year that the percent of spam will reach 90% provided that law enforcement spammers does not change?) What do I do?
Click here to see answer by bucky(2189)

Question 116965: Please one more this makes no sense.
24x^2+10x -4
Click here to see answer by MathLover1(6614)

Question 117187: factor each trinomial. Factor out all common monomials first including -1 if the lead coefficient is negative if a trinomial is prime, so indicate
a^4-13a^2+36
Click here to see answer by jim_thompson5910(28476)

Question 117193: Express as a single log of a single argument:
3log5 12-log5 36
Click here to see answer by jim_thompson5910(28476)

Question 118399: Hello there,
For the following problem, I am not sure if my answer is right or if the given answer is right. In the case that the given answer is correct, could someone please explain where I might have erred?
Thank you !
---
1.
=
=
=
However, the given answer is .
Click here to see answer by jim_thompson5910(28476)

Question 118714: Find each product. The x +1 is to the 4th power i just dont know how to type it sorry
4
(x+1)

Click here to see answer by m.hansen(16)

Question 118713: Find each product
(x+2)³
Click here to see answer by m.hansen(16)

Question 118712:
(x²+9x+7)(3x²+9x+5)
Click here to see answer by checkley71(8403)

Question 118711: Find each product
(3x-2)(2x²+3x-1)
Click here to see answer by jim_thompson5910(28476)

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