Questions on Algebra: Functions, Domain, NOT graphing answered by real tutors!

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Algebra: Functions, Domain, NOT graphing

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Question 38528: find domain and range of the function:f(x)=6x^2+4
Click here to see answer by longjonsilver(2297)

Question 38567: 1. If f(x) abd g(x) =1^x/3, find the indicated function value. If the result is irrational, give the answer to 3 decimal places.
Click here to see answer by rapaljer(3622)

Question 38567: 1. If f(x) abd g(x) =1^x/3, find the indicated function value. If the result is irrational, give the answer to 3 decimal places.
Click here to see answer by hellyeah(21)

Question 38141: I have no idea how to do this problem type!
Simplify. (Factor first)
1. 3y^2-3y/y-1
2. a^2-a-12/a^2-4a * 2a^2/a^2+2a-3
Click here to see answer by lyra(94)

Question 38569: What monthly payment (to the nearest dollar) is required to pay off a $14000 car loan at 12% annual interest in 48 months?
Click here to see answer by josmiceli(3012)

Question 38520: Let f= 1 2 3 4 5
2 3 1 5 4
and

g= 1 2 3 4 5
3 4 2 5 1.
What is f inverse -1?
Write fog as a product of disjoint cycles.Is fog even?why?

Click here to see answer by khwang(438)

Question 39053: x cubed - 9x = 0
and
x squared + x - 2 = 0
Click here to see answer by checkley71(8405)

Question 39126: I need to know how i wold solve this equation
( 5a^2/6b)(4b/a^3)
Click here to see answer by fractalier(1804)

Question 39180: What is .64 2/3 in fration form?

Click here to see answer by stanbon(26291)

Question 39185: Please help me figure out this function.
Let f(x)=x-(2/x), Determine f(3) and f(a+b)
Thanks
Renee
Click here to see answer by Nate(3495)

Question 37590: Amanda has 400 feet of lumber to frame a rectangular patio (the perimeter of a rectangle is 2 times length plus 2 times width). She wants to maximize the area of her patio (area of a rectangle is length times width). What should the dimensions of the patio be, and show how the maximum area of the patio is calculated from the algebraic equation.
Is this how I do it. P = 2l + 2w?

Click here to see answer by stanbon(26291)

Question 39184: My question is not from a text book. I am studying for my GED.
Will you help me figure out how to put .64 2/3 in fraction form?

Click here to see answer by checkley71(8405)

Question 39218: what is the difference between 3/5 and 9/8 expressed as a decimal? I need your help, Please and thank you.

Click here to see answer by Nate(3495)

Question 39258: What is the domain of function
Show your answers in 2 different ways:
a) by algebraic solution.
b) by graphical solution.
DO NOT USE CIRCLE.
SOMEBODY PLEASE HELP ME WITH THIS QUESTION! THANKS.
Click here to see answer by Nate(3495)

Question 37205: The sum of m and n, divided by the difference of m and n
Click here to see answer by fractalier(1804)

Question 37086: Given f(x)= 4x-3 and g(x)= 2x^2-5 find f[g(-1)] and g[f(-1)]
i dont know how to do these. thanks.
Click here to see answer by fractalier(1804)

Question 39471: f(x)=sqrt -5x+4 find the domain.

Click here to see answer by Nate(3495)

Question 39517: It is estimated that the Earth is losing 4000 species of plants and animals per year. If S represents the number of species living last year year, how many species are on Earth this year..
Click here to see answer by fractalier(1804)

Question 39589This question is from textbook
: Write the equation of the line in slope intercept form given the slope 7/3 and a point (6,8).This question is from textbook

Click here to see answer by Nate(3495)

Question 39591This question is from textbook
: Find y if the line containing (3,-8) + (7,y) has a slope of -4.This question is from textbook

Click here to see answer by Nate(3495)

Question 39592This question is from textbook
: Solve [x-3]=7This question is from textbook

Click here to see answer by Nate(3495)

Question 39590This question is from textbook
: Simplify and leave answer with only positive exponents
x^5
____
y^10This question is from textbook

Click here to see answer by Nate(3495)

Question 39588This question is from textbook
: Factor x^4 - 18x^2 + 81This question is from textbook

Click here to see answer by Nate(3495)

Question 39587This question is from textbook
: Find the slope of the line: 3x - 5y = 12This question is from textbook

Click here to see answer by Nate(3495)

Question 39605: Please help me figure out this problem,thank you.
Perform the indicated operations. Remember the rules for the order of operations.
9 - (-2)(-7)

Click here to see answer by checkley71(8405)

Question 39625: Why are variables are useful in algebra? What makes the use of variables difficult to understand?
Click here to see answer by Dramamama0811(3)

Question 39805This question is from textbook
: Factor: (15x)y + 25x + 27y + 45
I am having alot of trouble with factoring so please explain step by step how this is done. The examples in the textbook are hard to follow because I don't know how each step has been arrived at. THANKS!This question is from textbook

Click here to see answer by fractalier(1804)

Question 39824This question is from textbook
: For the functions f(x)=4x-1 and g(x)=3-5x^2 find the compostion g of f(x).This question is from textbook

Click here to see answer by venugopalramana(3286)

Question 36389: A=3; B=13
G-A=3
F+G=D
C+D+E=B
C-D=G
B+E=C+D Please solve this for me!
Click here to see answer by checkley71(8405)

Question 40073: Are you able to answer the following: "find e when d=3e-5be" for some reason i just CAN'T work this one out! please, any help would be much appreciacted.
Thankyou! Elliott
Click here to see answer by stanbon(26291)

Question 34627: what is the domain of the square root 2x-1 divided by the square root 1-x.
Click here to see answer by fractalier(1804)

Question 40157:
Which property of the real numbers is illustrated by the following statement?
19 + 11 = 11 + 19

A)
Associative property of addition
C)
Commutative property of addition

B)
Distributive property

Click here to see answer by Nate(3495)

Question 40159: Find Ex for the following set of numbers:
–3, 5, –4, 8, –6, 10, –5

A) 5 B) 0 C) 2 D) 6

Click here to see answer by Nate(3495)

Question 40170: Write 1/10 as a percent
Click here to see answer by Nate(3495)

Question 40297:
x - 4\x
________
1 - 2\x
Click here to see answer by stanbon(26291)

Question 40309: PLEASE HELP! Am on a maths revision website and just CANNOT work it out! i know it must be real simple, but can't see it! "What is q when: tq-r=3q+p" any help will be appriciated. Thankyou, Elliott. p.s. thankyou to "Stan" for helping me out yesterday!
Click here to see answer by stanbon(26291)

Question 40190: Is this relation a function? {(0,5),(1,10),(2,15),(1,20)}
Click here to see answer by fractalier(1804)

Question 40472: Could someone please help me understand how to solve this question? I really need help.
Velocity. If a ball is dropped from a height of 256 ft, then the formula
v(t) = -32t
expresses it’s velocity v(t) in feet per second as a function of time t in seconds.
a) Find v(0), the velocity of the ball at the time t = 0.
b) Find v(4).

Click here to see answer by Nate(3495)

Question 40504: a(k)=4k-30,what is the value of a if k equals 15

Click here to see answer by Nate(3495)

Question 40467: I need help with finding the domain of the function:
h(x)=7x over x(x^2-9)
Click here to see answer by stanbon(26291)

Question 40349: solve 2y-x=5 if the domain is {-3,-1,5,9}
Click here to see answer by Nate(3495)

Question 40514: I need help at understanding Finding the inverse of the function:
f(x)=4x+1/3. My answer is f^-1(x)=x+1/3over4 for the inverse.
Please let me know the correct way to solve.
Click here to see answer by josmiceli(3012)

Question 40576: can u solve this?
6r^3+7r^2=r
thank you
Click here to see answer by Earlsdon(4900)

Question 40756: Functions: p(x)=-3x^2+4x+26 g(x)=x^3+5x-18
1. What is the range?
2. Does the function have an absolute maximum or minimum?
Click here to see answer by Nate(3495)

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