Intermediate/Advanced Algebra

For more advanced algebra topics, including Algebra II and Pre-Calculus.
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help adding functions: Given f(x)=-6x+9, g(x)=5x+7, find (fog)(x), (gof)(x), domains
Replies
2
Views
910
stapel
stapel
R
Arithmatic problem with Exponents: We know we know (-1)=e^i\pi=e^-i\pi, so...
Replies
2
Views
760
Dr.Peterson
Dr.Peterson
C
Pre-Calc using log/ln: (2^x) +(2^-x) = 6
Replies
2
Views
833
mmm4444bot
mmm4444bot
R
Solve x-7/2 + 6/x = 1/2
Replies
5
Views
1K
mmm4444bot
mmm4444bot
F
finding domain + values of a,b for a rational function
Replies
3
Views
1K
Dr.Peterson
Dr.Peterson
P
Factoring /w rational powers: 5x^2(2x-3)^(1/3)(3x+2)^(1/2)+8x(2x-3)^(-2/3)(3x+2)^(3/2
Replies
6
Views
1K
Deleted member 4993
D
D
Completing the Square for y = 3x² - 12x + 7
Replies
2
Views
1K
Bob Brown MSEE
B
R
Geometric series with continuous compounding (deposits into sinking fund)
Replies
2
Views
4K
radnorgardens
R
L
System of equations? Optimization? Help me solve this problem
Replies
5
Views
986
stapel
stapel
F
Solve system of equations: x^(1/2) + y=11, x+ y^(1/2)=9 (random fun)
Replies
2
Views
1K
stapel
stapel
S
Gauss method: finding the number of terms in A.P
Replies
3
Views
846
Simonsky
S
R
Geometric progression formula confusion with 100(1.01)(1.01n-1/1.01-1)
Replies
2
Views
1K
radnorgardens
R
B
Infinite sum limit: (1/x)+(1/(x+1))+.......(1/2x)
Replies
9
Views
2K
Dr.Peterson
Dr.Peterson
M
How to find the range of p where p(x^2 + 2) < 2x^2 + 6x + 1
Replies
8
Views
2K
Dr.Peterson
Dr.Peterson
L
optimization word problem: The norris candy company makes two types of gum...
Replies
4
Views
2K
stapel
stapel
5
Re-arrange for x from (x -22)^1.3
Replies
1
Views
534
stapel
stapel
S
Arithmetic series and Gauss method
Replies
3
Views
839
Simonsky
S
M
Proof by Induction that 3^(4n)-1 is divisible 8.
Replies
2
Views
2K
JeffM
J
B
How to find relationship between expressions.
Replies
4
Views
2K
Dr.Peterson
Dr.Peterson
M
Why this is not a function? x -> distance from origin to point (0,x)
Replies
10
Views
2K
Masaru
M
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