# ****college algebra�radical functions****

52,280 results

### Math

Find the domain of the following functions. 1. y= radical(x-3) - radical(x+3) 2. y= [radical(2x-9)] / 2x+9 3. y= radical(x^2 - 5x -14) 4. y= [cubed root(x-6)] / [radical(x^2 - x - 30)] I'm terrible at finding domains.. so any help with these problems would be appreciated. & if...

### math , help,algebra

i am up to this point in my problem but i don't know what to do next with it can someone show me. Directions: Simplify by combining like terms x radical(18) minus 3radical(8x^2) these are the steps that i've done so far. = x radical (2*9) -3radical (2*4*x^2) = x radical (2) * ...

### College Algebra

I do not know how to rationalize this: 2(-2/radical 77)(77/73)......the answer is -4 radical 77/73 Thank you!!!

### Algebra

I'm adding 2(radical 50) + 12 (radical 8). I began by breaking the radical fifty into two parts: the radical of 25 and the radical of two. The radical of twenty five can break down into five, and the radical of two stays the way it is. Now it should read 2 5 radical of two. Do...

### college algebra

In a radical equation if the negative symbol is in front of the radical should I use -1 to factor out the negative power? And if so do I factor across the = doing BOTH sides? Or just the side the radical is on? Thanks anyone, I've been out of school for 12 years so it is a bit...

### algebra

3 radical x - 4 radical y divided by 3 radical x - 2 radical y = ( i think im supposed to use the distributive property, after the conjugate. but didn't know if i could just cancel? thanks.

### Algebra 1

Am i on the right track? radical of 3 times radical of three= radical of 9? radical of 2x times radical of 2x= radical of 4x^2? radical of 14 times radical of 2= radical of 28?

### College Algebra

-6 - radical 10 / 3+8 radical 10

### ****college algebra…radical functions****

Create a rational function such that the graph of has vertical asymptotes at x=5 and x= -7, a hole at x=2 , and a horizontal asymptote at y = 14. By creating a rational function, you are to write rule for this function. There are many correct solutions here.

### math,correction

Simplify by combining like terms. Problem #32 radical (63) - 2 radical (28) + 5 radical (7) My answer: 4radical(7) Problem #50 Find the perimeter of the triangle shown in the figure. leg 1 = radical (5) - radical (3) leg 2= radical (5) + radical (3) Hypotenuse= 4 My answer: p...

### algebra

solve the equation or formula for the indicated variable R=ts^2+3 a)s=under radical R-3/t (not under radical b)s=everything under radical R-3/t c)s=R (under radical)-3/t d)s=everything under radical R/t-3 Thanks again I feel really stupid not being able to grade my teens paper

### Algebra 2

What is three root 1/3 ? I'm not sure if that looks right in words, but I don't know how to post the square root symbol. If that doesn't make sense, then pretend that this sign: % is a square root: 3 %1/3 The 3 looks like it's a little above it. Please help me. It's Radical ...

### Algebra 2

What is three root 1/3 ? I'm not sure if that looks right in words, but I don't know how to post the square root symbol. If that doesn't make sense, then pretend that this sign: % is a square root: 3 %1/3 The 3 looks like it's a little above it. Please help me. It's Radical ...

### Algebra 2 @ Steve

I have another question regarding functions, but instead if you are adding up functions that are in a radical. f(x) and g(x) are both square root of x+5. To find the domain of f+g, f-g, fg, and f/g, would I find the domain of each function...[-5,infinity)? And then what? How ...

### math,correction

Can somoene helpme plz... Simplify radical 7 * radical 14 wouldn't it be radical (7*14) = radical (98) = 7radical (14) = 7 radical (2) The result is right, you erred on the next to last line. So how do i show that step that i am wrong in...

### algebra

(Radical of 5 plus radical of 2)x(radical of 5 subtract radical of 2)

### algebra

What s radical 20 is written in simplest radical for, the result is k radical 5. What is the value of k?

### algebra

by simplifying the expression 5 radical ab * 3 radical a^B^ what is the answer in radical notation?

### math

in the question 6radical x +3 radical y -2radical y +3 radical x -radical y is the answer 9 radical x +1 radical y. i just don't get it thanks

### Algebra II

(3 radical 3)^4= 3^4 (radical 3)^4 = 81 radical 81 = 81 *3 radical 3 = 243 radical 3. Did I do this right? Is the answer right?

### Math

Symplify (radical x/8) is the answer x (radical 2)/4 i put it to be (x/2 radical 2)* (Radical 2/radical 2)=(x radical 2/4)

### Algebra 8th

How do you multiply and simplify radical 2(radical 8+ radical 5)?

### Pre-Calculus

Radical Functions Graph y=(x-3)(x+2) and y=√(x-3)(x+2). where are the x-intercepts of each function ?why? for the first one, i know that whatever is inside the brackets is opposite, so the x intercepts would be at 3, and -2. but the whole radical thing is it the same ...

### College Algebra! help!

Consider the following functions f(x)= (7x+8)/(x+3) and g(x)= (3x-8)/(7-x) (a) Find g(g(x)) (b) Find g(f(x)) (c) Determine whether the functions f and g are inverses of each other.

### College Algebra

Write the following as an radical expression. v^(4/5)

### college algebra

3y^2+8=0 (3y+2)+(3y-2)=8+0 3y=-8 y=3/8 Radical and Rational Exponent this chapter is hard for me.

### trigonometry

Simplify and write in standard form. 1.) (radical 3 + i radical 15)(radical 3 - i radical 15) 2.) 8 + 16i / 2i Thanks again everyone. Any help is appreciated.

### Math

If b is a positive integer, which of the following equals 3b^4? A) Radical *81b^56 B) Radical 9b^8 C) Radical 9b^16 D) 9 Radical b^16 E) None of the above

### 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!

### math, algebra,correction

I don't know if this is right. directions: Simplify each radical expression. (radical 3+5)(radical 3-3) i think its: radical 3+2 Life would be so much simpler if you would use parenthesis. Did you mean this? (sqrt3 + 5)(sqrt3 -3) ? multiply that out sqrt3*sqrt3 -3sqrt3 +5sqrt3...

### math,algebra,correction

Science and medicine. Find the time required for an object to fall to the ground from a building that is 1400 ft high. using the formula : t = (1)/(4) radical (s) My answer: t = 9.35 (but i don't know how to word it if minutes all or minutes and seconds etc......) Problem #42 ...

### math

Can somebody please help me with this problem? This is the index-„³ 5 6^-5 The radical sign did not show, but the problem is: 5 is the index (outside the radical sign and then 6 is squared to the -5th power (inside the radical sign is under the radical sign) when adding and...

### precalculus

hello there! i wanted to check my answer. is: 2(x-y) / (radical x- radical y) = 2 radical x + 2 radical y? thanks so much for your help!

### math,correction

Find the area of the rectangle shown in the figure. length = radical (3) + radical (5) width = radical (3) + radical (5) My answer: a= 8 + 2 radical (15) or a = 15.75 agree, you seem to be able to do these should i leave it as the radical form or the decimal form which is more...

### math,correction

problem #50 Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression. (18+radical (567))/(9) My answer: 2+ radical (7) or 2radical (7) Problem # 52 (-9-radical(108))/(3) My answer: -3-2radical(3) Problem #54 (6-radical (20...

### math,correction,plz

Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression. Problem #54 (6-radical(20))/(2) My answer: 3-radical(5) Problem #50 Find the area of the rectangle shown in the figure. width = radical (3) + radical (5) Length = ...

### College Algebra

Hi there. My professor gave my class the practice problems for our final exam. I am a little stumped on a few of them and just need someone to help jog my memory. If you have the time, could you show the steps so I can see where I went wrong and practice it. Thank you in ...

### College Algebra: Please Help Me. Thanks.

For the functions F(x)=4x^2+3x+5 and g(x)=3x^2+2x+2, Find: A. (f+g)(3) B.(f+g)(x) C. (f-g)(x) D. (f-g)(-3)

### College Algebra: Please Help Me. Thanks.

For the functions f(x)=x-4 and g(x)=2x^2-3x-1, Find: A. (f*g)(x) B. (f*g)(-1)

### algebra 2

What is the smallest value of x for which the radical expression (radical sign)2x-10 is a real number

### algebra

Can someone help me to use radical exponents to write x^1/4 * y^1/7 * z^1/2 as a single radical expression? Thanks,

### Algebra II

Rationalize the denominator and simplify... radical 44x^2/radical 11 +3 Help would be appreciated :)

### Geometry

1.If two different lines are perpendicular to the same plane, they are: a. Collinear b. Coplanar c. Congruent d. Consecutive I think the answer is B, is that correct? Also, this: 2. Express 3 radical 75 plus radical 27 all over3 in radical form. I simplified it to 18 radical 3...

### algebra

When solving a radical equation, explain why it is important to try and isolate the radical term.

### Algebra 1

How would i multiply: (4+ radical of 3)(2+ radical of 3) if they are simplified already inside the parenthesis? what do i do now

### trig

express the product of radical 90 x radical 40 -radical 8 x radical simplifies to ?

### Algebra 1

what is the simplest radical form of 3 *with 5 under radical* 4 *7 under radical* 2 *13 under radical*

### College Algebra

Give two functions f(x) & g(x) such that (fg)(-1) = 4

### algebra 1

the question is: What is the sum of 5 radical 7 and 3 radical 8? i don't understand how to solve this because i cant pull out a perfect square

### Algebra

Write a radical for exact length of the diagonal of the 30 by 30 dance floor. simplify the radical. Im not sure how to do this.

### algebra for Steve

How would i multiply: (4+ radical of 3)(2+ radical of 3) if they are simplified already inside the parenthesis? what do i do now

### Algebra

Express the radical in simplied form: The 5th root of 2430 I do not know how to type in the radical sign.

### algebra

What is 3 radical 250 expressed in simplest radical form ?

### algebra for Steve

How would i multiply: (4+ radical of 3092+ radical of 3) if they are simplified already inside the parenthesis? what do i do now

### algebra 2

Science and medicine. Find the time required for an object to fall to the ground from a building that is 1400 ft high. using the formula : t = 1/4 radical (s) t=1/4 radical 1400 t= 10 radical 14*1/4 t= 5 radical 14 /2 what are I doing wrong I am suppose to be getting minutes ...

### Algebra

How do I do radical 7/10... my answer was 4 radical 3 over 6... is that correct?

### algebra

Simplifying radicals: -12 radical 24 over 3 radical 2?

### algebra 2

3 radical 4x^2 time s radical 6x^4 times 3radical 9x

### Algebra

what is radical 72 expressed in simpilest radical form

### College Algebra

verify that the functions of f and g are inverse of each other by showing that f(g(x))=x and g(f(x))=x; f(x)=In(x-1),g(x)=1+e^x

### math,correction plz

can someone correct my math...thanks... Perform the indicated multiplication. Then simplify each radical expression. Problem#4 radical(13) times radical (5) My answer: radical (15) Problem #28 radical (7) (2radical(3)+3radical(7)) MY answer: 2radical(21) + 21 No on first one. ...

### Math-Involing i's

1)What is the product of 5+ Radical (-36) and 1-Radical (-49) expressed in simplest a+bi Form? 2) Express Radical (-27) + i^22 + 3-Radical (-25) +5 Radical (-3) in simplest a+bi form.

### History

which answer best describes andrew johnson's relationship with the radical republicans? A:he founded the radical Republican movement B: he worked with the radical Republicans to pass important legislation C: you frequently voted legislation presented by the radical Republicans...

### algebra

am I right? 1. Simplify radical expression sqrt 50 5 sqrt ^2*** 2 sqrt ^5 5 sqrt ^10 5 2. Simplify the radical expression sqrt 56x^2 28x 2x sqrt 14*** 2x sqrt 7 sqrt 14x2 3. Simplify the radical expression. sqrt 490y^5w^6 2 sqrt 135y^2 2y sqrt 135*** 27 sqrt 15y^2 27y sqrt 15 ...

### Radicals math

Write. Without the radical symbol : 1.) radical 400 2) Radical 16 over 49. 3). Radical 2 over 50.

### College Algebra-Study Material

I am going to take the CLEP (College Level Examination Program) College Algebra examine. I am trying to decide on what books I should use to prepare for this examine. The following is what is going to be covered in this examine: 25% Algebraic operations Factoring and expanding...

### College Algebra

what is the domain of each of the following functions,their intercepts and thier range? f(x)=x+3 and f(x)=-2x-3 if x<-2 and x>=-2

### college algebra

given f(x)=4x-5, g(x)= x+5 over 4 Find (fog)(x). are these inverse functions?

### math, correction,plz

can someone correct these for me plz.... Problem#36 Use Property 2 to simplify each of the following radical expressions. Radical (10)/(49) My answer: (radical(2 times 5))/(7) Use the properties for radicals to simplify each of the following expressions. Assume that all ...

### math,correction plz

Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression. Problem #50 (18+radical(567))/(9) my answer: 2+radical(7) Problem # 52 (-9-radical (108))/(3) My answer: -3-2radical (3) yes on both.

### algebra

3 radical 256x9y7 - 3 radical 32x12y4 is what?

### algebra

5 radical 5 and 9 radical 5 ____like radicals. a. are b. are not

### Math

1) Solve for x and check Radical (x^2-10x)=3i 2) Simplify (5+ Radical 2)/(5-Radical 2) 3)describe the nature of the roots x^2-x-6=0 x^2+4x+29=0 4) Solve for x and check Radical (x^2 +4x +44) +3=2x I got 7 and -5/3 as answers, was not sure though

### College Algebra

Verify the function f and g, are inverses of each other by showing that f(g(x))=x and g(f(x))=x Graph the functions. f(x)=6/(1-x) g(x)=(1-6/x)

### college algebra

, for this problem f(x)=3x^2-6x-7,what is the minimum value and where do it occurs, and what is this functions domain and range?

### History "Need Help ASAP"!

14.)Which answer best describes Andrew Johnson's relationship with the Radical Republicans? A.)He founded the Radical Republican movement. B.)He worked with the Radical Republicans to pass important legislation.*** C.)He frequently vetoed legislation presented by the Radical ...

### math....

which of these is a rational number A. radical 2 B. radical 3 C. radical 4 D. radical 5

### college algebra

find functions f anf g so that fog equals H H(x)=ãx^2+17 please show work

### Algebra 2/ Radicals

Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression for your classmates to simplify.

### math,correction,plz

can someone correct these for me plz. Simplify by combining like terms. Problem#32 radical(63) minus 2radical(28) plus 5radical(7) My answer: 4radical(7) Find the perimeter of the triangle shown in the figure. leg...1 = radical (5) + radical (3) leg...2=radical (5) - radical (...

### ALGEBRA

Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression for your classmates to simplify.

### algebra

Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression for your classmates to simplify.

### Algebra

I am trying to simplify 24a^2/b^4 (the entire expression has a radical sign around it). I got 4a times the radical of 6a/b^4. However, my teacher said this isn't correct on my quiz. Why, and what is the right answer? Thanks!!!

### Math

The area of one of the faces of the cube below is x^2+2x+1 cm^2. Find an expression in mixed radical form for the length of the interior design. My Work: Step 1: a^2 + b^2 = c^2 =(x-1)(x-1) x-1 equals to all the sides of the cube Step 2: a^2 + b^2 = c^2 (x-1)^2 + (x-1)^2 = c^2...

### Trig

Given sin θ = −1/2 and sec θ > 0, find the exact value of tan 2θ. Radical 3 Radical 3/2 Negative radical 3 Negative radical 3/2

### math

the expression 6 times radical 20 divided by 3 times radical 5 is equvilent to 1. 3 radical 15 2. 2 radical 15 3. 8 4. 4

### Algebra

Solving radical Equations Using \/ for radical sign 6-4\/y=-11 Book says answer is 25. I do not get this answer and I am not sure what I am doing wrong.

### Algebra 1

Please help me find the answer to this problem. it would be nice to have the details to how you came by the answer: Radical of 3/4 + radical of 1/3 your help is greatly appreciated

### Algebra

How would you explain to a seventh grader the difference between the domains of an odd root radical function and an even root radical function? How would you change your explanation for someone who had taken high school algebra?

### algebra

can someone help me with this? radical 7v-4=radical 5v+10

### algebra 9

the sum of radical 5 and radical 45 is?

### algebra

what is the radical and x=5 on the inside of the radical?

### math

(Radical 15- radical 5) (radical 15 + radical 5) and radical (-20) squared /2

### ALGEBRA

Why is it impossible to combine the expression radical 3x + 3^ radical 3x into a single term? Explain. (I'm having a real tough time with this one, can anyone here explain this to me? Thank you!)

### Algebra

I'm not sure how to write a radical sign on the computer but the problem is y+3-4=5 inside a radical sign.

### statistics

At a small college it is known from previous years that 35% of all college freshman start in college algebra. The new freshman class has 100 students in it, What is the probability that between 35 and 42 freshman will start in college algebra? Is it reasonable to approximate ...

### geometry

abcd is a rectangle such that ab=-3 radical sign 48+2 radical sign 75+4radical sign108 and Bc=4 radical sign 27 +radical sign 300 prove that abcd is a square

### College Algebra

The distance, d, in feet that an object falls in t seconds is modeled by the formula d=16t(2) if you dive from a height of 128 feet, how long will it take to hit the water? (answer may be in simplified radical form).

### Algebra

Use composition of functions to show that the functions f(x) = 5x + 7 and g(x)= 1/5x-7/5 are inverse functions. That is, carefully show that (fog)(x)= x and (gof)(x)= x.