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Pre-Calculus Algebra

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Pre-Calculus/Calculus
I am too embarassed to ask this Calculus (really pre-calculus) question in tutoring, because I know I should know. Is the inverse of f(x)=3x-1 actually f(x)=1/3x+1? How do I find it? What if it asks the same equation replaced with f to the -1 power (x)? I think I know how the ...

Pre Calculus
Pre Calculus why is sin(-20)/cos 380 equal to tan (-200)

Finite Math
Fifty percent of students enrolled in calculus class have previously taken pre-calculus. Thirty percent of these students received an A for the calculus class, whereas twenty percent of the other students received an A for calculus. Find the probability that a student selected...

Pre-Calculus
I am in Honors Pre-Calculus and am having a hard time understanding my teacher. I feel so stupid. Does anyone have any suggestions on a website that might give me some insight into what I am doing wrong? Thanks!

pre-algebra
kk my teach told me to describe and draw things that are about pre-algebra and she told me to write what pre-algebra is... so can anyone help me??

pre calc
A math teacher uses four algebra books, two geometry books, and three pre-calculus books for reference. In how many ways can the teacher arrange the books on the shelf if books coiver the same subject matter are kept together?

College Algebra/pre-calculus
Find the domain (This in fraction form) f(x)=x+3 x^2-4 f(x)= (This is in Radical:2-5x) Any help, thank you!

pre- algebra(MATH)
I need help with pre-algebra solving equations by multiplying or dividing. Can you help me with this homework for free?

Pre-Algebra
How do you solve this Pre-Algebra problem: $1.25x + $2.25y = $916 x + y = 560

pre-Algebra
Sorry, struggling through pre-Algebra .. :-( .. How do i figure out 5x = -20 ?

Algebra
In an interview of 50 math majors, 12 liked calculus and geometry 18 liked calculus but not algebra 4 liked calculus, algebra and geometry 25 liked calculus 15 liked geometry 10 liked algebra but neither calculus nor geometry 2 liked geometry and algebra but not calculus. Of ...

pre-algebra
I am actually in 6th grade but I really want to learn more about pre algebra. I was given a task to solve the question of y=9x+3*7 and i don't get what to do. Should I graph? Or solve for y?

Pre-Calculus
I'm trying to finish up my pre-cal homework and I am stuck on 2 problems... ***determine the intervals over which the function is increasing, decreasing, or constant*** 32. f(x)=x^2-4x 33. f(x)=√x^2-1 (that's square root of x^2-1) thank you so much for the help =)

Pre-Calculus
I'm trying to finish up my pre-cal homework and I am stuck on 2 problems... ***determine the intervals over which the function is increasing, decreasing, or constant*** 32. f(x)=x^2-4x 33. f(x)=√x^2-1 (that's square root of x^2-1) thank you so much for the help =)

pre-ap pre calculus
To solve an equation by finding x-intercepts, Cynthia graphed the function y=x^3-5x+|2x-3| Give several possibilities for the original equation. How do I do it and what's the answer? Thanks

what does pre-algebra mean??
i have to draw things that have to do with pre algebra but...i don't understand the meaning of it

math
8. In an interview of 50 math majors, 12 liked calculus and geometry 18 liked calculus but not algebra 4 liked calculus, algebra, and geometry 25 liked calculus 15 liked geometry 10 liked algebra but neither calculus nor geometry 2 liked geometry and algebra but not calculus. ...

pre calculus algebra
one number is three less than six times second number. their sum is 32. find the two numbers

pre algebra
my grade is 83.17 in pre algebra in college, but the final exam is worth 300 points. If I got a B or B- or a C on the final, what would my grade be overall?

Pre Calculus 12
Im going over my pre calculus 12 exam, and I need help with one question from the chapter Transformations of graphs and stuff. Combining Transformations 2y = f(5x-10)+8 The original points are (4,6) and the new points I got by translating it and stuff are : (14/5,20) But in ...

Algebra
I have a few questions on my Pre- Algebra Pre- test. I am in 7th grade. Anyone willing to help me for a few questions for 5-10 minutes?

pre-algebra
write an inequality for the sentence. The total t is greater than five. Well your answer is going to be T and the sign for greater than is simply >. So the answer would be T > 5 ok again my name is above. i was just wondering what pre-algebra was? i mean i take the ...

Pre-Calculus
Can you show me how to find the rectangular equation: r=2cos(theta) + 3 sin (theta) All I need is an example to work off I was absent today from Pre-Calc and I have homework to do and no explanation with them-Please help with this one Thank you

Pre-Algebra: Help
I have to do a webquest for pre-algebra and we have to make up a fundraiser thing, I need a list of things that one needs for a charity fundraiser, such as chairs, buffet tables, tables, tents, tablecloths. HELPP

SHAY
THE MATH QUESTION IS IT ALGEBRA , PRE ALGEBRA' OR GEOMETRY? Quadriatic functions. so algebra i think.

Pre-Calculus - Reiny
Reiny you helped me with this logarithm yesterday: How did you write it out as log2 ( √A / B^3 ) Laws of logarithms combine, write as a single logarithm Need help on this question please, Im stuck, don't know where to go abouts from here: I did it on paint and uploaded ...

pre-calculus
3(4^x)-2^(x+2) = -1

pre calculus
27^8x-3=(1/81)^8x-4 x=?

pre calculus
2n^1/3(n^2/3+n^-1/3)

pre-calculus
what is the F-^1 of 6/x+4

pre calculus
(m+3)+5

pre calculus
-2< x < 5 - -

Pre-calculus
2^(x)/(1-2^(x))=3

pre-calculus
(2^(4+pi))/ 2^(1+pi)

pre-calculus
x^3e^x - 4e^x =0

Pre-Calculus
3x^2 + 8 = -4

pre calculus
x^2-3/4x+1/8=0

pre calculus
x^2-3x-7=0

pre calculus
2k^2+5k-9=0

pre calculus
2k^2+5k-9

pre calculus
C=2 x^=8y

Pre Calculus
Formula: a = b = c

Pre Calculus
Formula: a = b = c

Pre calculus
gfk

Pre-Calculus
How do I find xy^-2(xy^2 - 4y^4) ??

Pre-Calculus
How do you factor x^3 - 64?

pre- calculus
simplify 3x+2y/3y

pre calculus
if y = bX, then its inverse is

pre calculus
let f(x)= -x^2 - 1. evaluate f(x)at x=6, -6

pre calculus
what is the vertices of 7x^2+5y^2=35

pre calculus
what is the vertices of (x+1)^2/4+(y+2)^2/25=1 ?

Pre Calculus 1
ln(3x-1) - ln(x+2) = 2ln5

Pre Calculus 1
lnx + ln(x+3) = 2

pre-calculus
What is the domain of (x+2)/(x-2)?

PRE CALCULUS HELP PLEASE
((ln(x))^1/2)/(ln(x^1/2))=6

pre calculus
2x^2+11x-21=0

pre - CALCULUS
Let B = [-1 3 6 -3]. Find -4B. A. [-4 12 24 -12] B. [-3 1 4 -5] C. [4 -12 -24 12] D. [4 3 6 -3] b ?

Pre-Calculus
14cos+7=O

pre calculus
find (a)2v+u, (b)u-3v, and (c)5u-v u=<0,-4>, v=<-2,-8>

pre calculus
find (a)2v+u, (b)u-3v), and (c)5u-v u=<-2,-3> v=<-1,-10>

pre calculus
find (a)2v+u, (b)u-3v), and (c)5u-v. 1.u=i-j, v=6i+9j 2.u=2i+3j, v=-i-2j

pre calculus
solve 2x + y = 8 4x + 2y = 16

Math - Studying for Pre Calc exam!
Approximate the solutions (to three decimal places) of the given equation in the interval (- pi/2, pi/2) 6 sin 2x − 8 cos x + 9 sin x = 6 Can you help with this please? I am studying for my Pre Calculus 1 exam and am stuck on this question...! The answer options are a. x...

Pre-Calculus
How do I find f(g(x)) when there is a radical?

pre calculus
x^2+y ^2+ 4x + 6y - 12 = 0 how do i find the domain?

pre calculus
simplify sin(2 pi/3+x)

Pre-Calculus
2secx= 3cscx

Pre-calculus
x-2/x2-1 This equation is a function or not?

Pre Calculus
FACTOR COMPLETELY 1) x^8-y^8

pre-calculus
tan(1/2)cos^-1(9/10)

Pre-Calculus
is f(x)=9x^(5/3) a power function?

pre calculus
are you an online tutor

Pre-Calculus
Is the period of f(x) = 2cos(3x - ð) 2ð/3?

Pre-calculus
1) What is the equivalent of this? -5x(2x+7y)+7xy-4x(y+3)

Pre-Calculus
How to find domain of: y = -3 + ãx+6

Pre-Calculus
y= ((2-3x^(1/x))/(2+3x^(1/x)) Is the horizontal asymptote y= 1 or y= -1?

Math (pre calculus)
ax+b/cx+d=2 solve for x

Pre-Calculus/Trigonometry
for f(x)= 1/(x^2-3), find: a. f(3) b.f(2+h)

Pre-Calculus/Trigonometry
For f(x)= 1/(x-5) and g(x)= x^2+2, find: a. (f o g)(x) b. (g o f)(6)

pre-calculus
6cos^2(x)-5cos(x)-6

college pre-calculus
if 1-1/x=2-2/x, then 3-3/x=? A. -3 B. -1/3 C. 0 D. 1/3 E. 3 idek how to do it?

Pre-Calculus
find the inverse of g(x)=(x+7)^3+4

Pre-Calculus
What are the holes of the function f(x) = (x^2 + 3x - 4)/(x^2 + 9x + 20)?

Pre-Calculus
How do I find the domain of K(x) = x(32 - 2x)^2?

Pre-Calculus
Given: u <-1, 7> and v <4, -3> Find: (u • v)(u + v)

Pre-Calculus
What is the absolute value of: 3 - 8i? A. 9 B. 64 C. √55 D. √73

pre calculus
Can you explain how to find (u • v)(u + v) when u <-1, 7> and v <4, -3>

Pre-Calculus 12
2x^3 - 13x^2 + 32x - 13 = 0

Pre-Calculus/Trivia
csc(theta)= 1/x sec(theta)= 1/ sqrt(1-x^2) cot(theta)= sqrt(1-x^2)/x What are these equations used for in real life matters or in regards to calculus? Can't seem to find the answer anywhere :/

pre- calculus
how do you find the root(s) of the equation x^2+3x-4=0

Pre-calculus
Describe the end behavior of f(x)=2x^4-5x+1.

Pre Calculus
log(log10^10,000)

pre-calculus
Solve this Function: (3x-7)^2 (x^2-9x+18) ---------------------- x (x^2-12x+40) (x^16)

pre calculus
How do you simplify cos ((pi)/2) - feta?

pre calculus
f(x)= a+tan(bx) fina a and b f(0)= 5 f(pi/8)=1/sq root of 3 +5

Pre-Calculus
For what values of x is it true that |sin(x)-x| < 0.01?

pre calculus
cube roots of 64i?

Pre Calculus
Logarithms Solve the equation for x 1-ln(3x+2)=0

PRE CALCULUS
8-12SIN^2X=4COS^2X SOLVE FOR X

pre-calculus
use gauss-jordan x+2y=5 2x+y=-2

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