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 345033: 3e^x-1=17
Click here to see answer by stanbon(75887)

Question 345051: solve this exponential equation to the nearest tenth. 2^x+2=8
Click here to see answer by ewatrrr(24785)

Question 345226: sorry on my previous email I didn't write out the equation correctly.
This is what I MEANT to write:
-3^2 + 10 *insert division symbol* 5 + 6
Click here to see answer by rfer(16322)

Question 345484: Please help me solve this equation write this in radical form 81 1/2 thank you :)
Click here to see answer by Fombitz(32388)

Question 345629: 36^5x+2=(1/6)^11-x
Click here to see answer by Fombitz(32388)

Question 345930: (-x)(-2xy)(-3xyz)
Click here to see answer by Fombitz(32388)

Question 345890: how to solve, f(x)+1=3f(x) if f(x) is equal to 3^x
Click here to see answer by jsmallt9(3758)

Question 345656: 25^10x+8=(1/125)^4-2x
Click here to see answer by Fombitz(32388)

Question 347479: solve the equation for the indicated variable
A=1/2h(B+b) for B
Click here to see answer by Fombitz(32388)

Question 347800: please simplify (3 TO THE 3 POWER OVER 3)2
Click here to see answer by jim_thompson5910(35256)

Question 347846: 16x^2-14x+3
Click here to see answer by mananth(16946)

Question 347898: Find the solution(s), if any, to the system
4x-6y=12
6x-9y=15
Click here to see answer by stanbon(75887)

Question 347900: A club sold fruitcakes for a fund raising project. The two-pound cakes sold for $5 each and the five-pound cakes sold for $11 each. The club sold 323 pounds of cakes and received $749. How many of each did they sell?
Click here to see answer by stanbon(75887)

Question 347481: solve
two angles are complementary if their sum is 90 degrees. if the measure of the first angle is x degrees, and the measure of the second angle is (3x-2) degrees, find the measure of each angle
Click here to see answer by ankor@dixie-net.com(22740)

Question 348082: Find the value of x in: 1282 ^x+1 = 4 ^x-3
Click here to see answer by Alan3354(69443)

Question 348346: How do I solve this?
4.7 = x^1/3
Click here to see answer by checkley77(12844)

Question 348656: Can you please help me with this question.
Simplify each of the following, if possible. Write your answer in exponential form.
a.3^4*3^7*3^6=
b.2^10*2^11=
Click here to see answer by ewatrrr(24785)

Question 348671: Write each of the following in the indcated bases without multiplying out the various powers:
a.4*5^6+11*5^4+9 in base five
b.2^10+2^3 in base two
c.11*12^5+10*12^3+20 in base twelve
d.9*8^5+8 in base eight
Click here to see answer by solver91311(24713)

Question 348675: Write each of the following in the indcated bases without multiplying out the various powers:
a.4*5^6+11*5^4+9 in base five

Click here to see answer by ewatrrr(24785)

Question 348697: Write the following base-ten numerals in the indicated base without performing any multiplication:
a. 10^10 + 23 in base ten
Click here to see answer by stanbon(75887)

Question 348699: Write each of the following in the indicated bases without multiplying out the various powers:
11 * 12^5 + 10 * 12^3 + 20 in base twelve
Click here to see answer by scott8148(6628)

Question 349028: evaluate without calculators or tables
Log 6 (one divided by 216) raised to power 2/3
Given that Log 2 to power 3 is 1.585 evaluated without using calculators
Log 2(24)
Log 8(24)

Click here to see answer by haileytucki(390)

Question 349056: 1. calculate without tables or calculators
Log6(1�216) power two third
Question 2
Express as single logarithim
Log5 20 + Log5 15 - Log5 12
Click here to see answer by Fombitz(32388)

Question 349105: Compare equations y=log5x(the 5 is at the bottom next to the g) & y=5^x; y=log1/3x(the 1/3 is low next to the g) & y=(1/3)^x; y=log5x & y=log(1/3)x (both the 5 and 1/3 are low next to the g)
Click here to see answer by jsmallt9(3758)

Question 348716: Write each of the following in the indicated bases without multiplying out the various powers:
4 * 5^6 + 11 * 5^4 + 9 in base five
Click here to see answer by jsmallt9(3758)

Question 349244: Please anyone I need your help

A store offers two payment plans. Under the installment plan, you pay 25% down and 25% of the purchase price in each of the next 3 years. If you pay the entire bill immediately, you can take a 10% discount from the purchase price.
Which is a better deal if you can borrow or lend funds at a 5% interest rate?
Click here to see answer by josmiceli(19441)

Question 349844: y^3/4=0.008
Click here to see answer by edjones(8007)

Question 350030: solve the equation exactly for t.
64e^0.18t = 25(1.4)t
Help!! thank yoouuu
Click here to see answer by jsmallt9(3758)

Question 350281: For which value(s) of r does there exist a power function (y= Cx^r) passing through the points (1, 1/8) and (5, 9/2).
I tried setting them both equal to C and then solving for r, but the r's cancelled.
Click here to see answer by jim_thompson5910(35256)

Question 350579: Can you help me solve this please? 1/2=log(4)x
Click here to see answer by Fombitz(32388)

Question 351160: Choose the graph of y=2^-x.
http://img543.imageshack.us/img543/5416/graphs.jpg
Click here to see answer by nerdybill(7384)

Question 351168: Choose the graph y<_ 4^x.
http://img444.imageshack.us/img444/831/graphs2.jpg
Click here to see answer by stanbon(75887)

Question 351361: -5y4(y5)3
15y7(y2)3
Click here to see answer by checkley77(12844)

Question 351436: my question is 49 to the 5/2 power.
Click here to see answer by user_dude2008(1862)

Question 352078: Solve the differential equation 1/y^2 y' =2x Find the special solution which satisfies the condition y(0)=1 PLLLSSS I NEED IT NOW :( THANKS YOUUU!
Click here to see answer by Fombitz(32388)

Question 352124: Find the dot and cross product of the following vectors:
a= 2i + 3j - k
b= i + 2j - k

Note: They have the -> sign above all of them. I just dont know how :( Hope you could answer this. Thank you so much
Click here to see answer by Fombitz(32388)

Question 352185: Graph y<= log(base 2)(x + 2).
Click here to see answer by Fombitz(32388)

Question 352217: given f(x) = x to the 2nd power + 5x and g(x) = 2x + 1
Find g(a+h) - g(a) = gh
Click here to see answer by Fombitz(32388)

Question 352247: Write the equation 4^-3= 1/64 in logarithmic form.

Click here to see answer by jim_thompson5910(35256)

Question 352183: In 2000, the bird-population in a certain area is 10,000. The number of birds increases exponentially at the rate of 9% per year. Predict the population in 2005.
a. 15,137
b. 15,386
c. 15,489
d. 15.771
Click here to see answer by checkley77(12844)

Question 352439: Find an equation of the tangent line at the point indicated. f (x) = log3 (8x + x^-8), x = 1?
Click here to see answer by Alan3354(69443)

Question 352451: Find the derivative. y = ln(9^s)
Click here to see answer by jim_thompson5910(35256)

Question 352537: How do I graph the exponential function by making a table of coordinates: f(x) = (3/4)^x
Click here to see answer by robertb(5830)

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