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 754169: what is the result of 10 exponential -1.84
Click here to see answer by stanbon(75887)

Question 754277: Question:
Evaluate log7 2512..
NOTE:(7 is a small number)
Click here to see answer by jim_thompson5910(35256)

Question 754369: How can i solve 4^2x=32^(x-5) without a calculator

Click here to see answer by Alan3354(69443)

Question 754487: Select the solution for (f+g)(x) when f(x)=-6x-1 and g(x)= 4x^2
Click here to see answer by MathLover1(20850)

Question 754787: 81^x-2=3(x/4)
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Question 717343: 5e^x = 83
Click here to see answer by tommyt3rd(5050)

Question 756332: Solve the given equation. 8=(1/4)^x

Click here to see answer by Gogonati(855)

Question 756332: Solve the given equation. 8=(1/4)^x

Click here to see answer by htmentor(1343)

Question 756375: 4^(2x-3)=64
Click here to see answer by jim_thompson5910(35256)

Question 756363: log[27](x-1)-log[27](x-3)=1/3 I need to solve this and I just can't figure it out, could you please help me?
Click here to see answer by MathTherapy(10552)

Question 756433: Please explain how you got the answer. thank you
If 5^(log_5 8)=2x
then x=
8
7
6
5
4

Click here to see answer by josgarithmetic(39620)

Question 756438: Suppose at time t=0, the number of bacteria present is 2500. If t minutes later the number of bacteria is given by N(t)=2500(2.4)^(t/12)
Then, to the nearest integer, the number of bacteria present after an hour will be
299,000
196,550
197,366
229,443
199,066
Please explain this to me, thank you.

Click here to see answer by Cromlix(4381)

Question 756539: solve log10 V=mDpower n.when v=3.68 and d =2.36
find the value of m and n
Click here to see answer by stanbon(75887)

Question 756430: If log_b 5=1.609, then
log_b (1/125)
is
-5.733
-4.827
4.287
-0.865
Cannot be determined from the given information
Can you please explain this to me step by step?

Click here to see answer by lwsshak3(11628)

Question 756431: Please explain this to me, i don't understand this.

For any base b, log_b ∛(b^5 )
is
log_b 3b
log_b (3b/5)
5/3
3/5
5b/3

Click here to see answer by lwsshak3(11628)

Question 756607: Find a bound on the real zeros of the polynomial function f(x)=x^4+x^3-4x-6
Every real zero of f lies between ______ and______.

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Question 756608: Form a polynomial f(x) with real coefficents having the given degree and zeros
Degree 5; Zeros: 2; -i; -7+i
Enter the polynomial f(x)=a(____) type expression using x as the variable

Click here to see answer by josgarithmetic(39620)

Question 756939: differentiate algebraic y=3x^-4???
Click here to see answer by KMST(5328)

Question 757148: X^2 + 4x -8=0
Click here to see answer by josmiceli(19441)

Question 757692: log4x-log4y
Click here to see answer by solver91311(24713)

Question 757692: log4x-log4y
Click here to see answer by jim_thompson5910(35256)

Question 751714: Please solve...
1.4(3.2)^x = 3(1.9)^(3x)

Click here to see answer by tommyt3rd(5050)

Question 751817: Please help solve...
1.4(3.2)^x=3(1.9)^3x
Click here to see answer by tommyt3rd(5050)

Question 751722: Please help solve:
1.4(3.2)^x = 3(1.9)^3x
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Question 748543: Please help me solve this problem. I am so lost! Thank you.
Solve for x: 4^2x-1= 1/2

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Question 751802: e^(x^2)-3=e^2x
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Question 758391: solve for x
e^2x - 2e^x - 8 = 0
Click here to see answer by lwsshak3(11628)

Question 758447: two questions and answers:
a) integrate 3^x
answer: 3^x/In(3)
b) find the exact area enclosed by the curve y=e^3x - 2, the x-axis and the lines x=0 and x=1
answer: 4In(2)/3 + e^3/3 - 3
my question is, how do you get to these answers? can you please show me step by step.
Click here to see answer by Alan3354(69443)

Question 758886: 7-7i divided by 2i
Click here to see answer by josgarithmetic(39620)

Question 759194: How do I expand the logarithm using the properties of logarithms:
Log 2x^3y^5
Click here to see answer by lwsshak3(11628)

Question 759194: How do I expand the logarithm using the properties of logarithms:
Log 2x^3y^5
Click here to see answer by sachi(548)

Question 759390: Suppose that f is an exponential function with f (4) = 13 and f (5) = 15. What is the growth factor for f?
Click here to see answer by stanbon(75887)

Question 759431: solve 3log subscript 2 8x=18
Click here to see answer by nerdybill(7384)

Question 759543: please help me solve this equation 2^x+3=3^x-4
tried: 2^x+3=3^x-4
Log 2^x+3= Log3^x-4
x+3 Log2= x-4 Log3
??? Log3/Log 2
Click here to see answer by malglu(63)

Question 759944: evaluate log base 4 (1/(16^1/3))
Click here to see answer by lwsshak3(11628)

Question 760450: solve for x
log(x+8)-log(x)=1

Click here to see answer by lwsshak3(11628)

Question 760747: differentiate y=3x^3 -2x^2+5x-3?????
Click here to see answer by Cromlix(4381)

Question 745989: y=f(x)=16^x find f(x)when x= 1/2
Click here to see answer by tommyt3rd(5050)

Question 746675: Solve log 3x = 2
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Question 761163: log power of 2 (x5)=log power of 2(1-5x)
Click here to see answer by MathLover1(20850)

Question 761218: Show that if a and c are positive numbers with a not equal to c, , and , then xy=qz
Click here to see answer by KMST(5328)

Question 761234: write the equation in logarithmic form.
125^4/3=625
Click here to see answer by Alan3354(69443)

Question 761456: Write 8^x = 69 in logarithmic form.
I need the steps please and thank you.
Click here to see answer by MathTherapy(10552)

Question 761442: The solution(s) of the equation
2cos^2 x tan x=tan x, over the interval [0,2π)
is (are)?
Can you please explain to me how you got the answer?
(a) x=0
(b) 𝑥=0,𝜋
(c) 𝑥=0,𝜋4,3𝜋4,𝜋,5𝜋4
(d) 𝑥=0,𝜋4,3𝜋4,𝜋,5𝜋4,7𝜋4
(e) None of the above.

Click here to see answer by Cromlix(4381)

Question 761458: Write log5 36 = x in exponential form.
I need the steps please and thank you.
Click here to see answer by unlockmath(1688)

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