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C. Function A has a vertical asymptote at x = 3.

    Function B has a vertical asymptote at x = 4.

question 3:

=3x^3y^2 square root of 2

Tysm, you have been a huge amount of help!

First...multiply the dimensions

15 x 30 x 24   =   10,800 cm^3  (volume)   =  10,800 g  (weight)

To convert grams to kilograms divide this answer by 1000  giving  10.8 kg

question 6:

x^2=2x+3

x^2-2x-3=0

(x+1)(x-3)=0

x=-1 and x=3

#5 would be 8

16=2^4

(2^4)^3/4=2^4*3/4=2^3

2^3=8

question 5:

fourth root of 16=2

2 cubed= 8

believe in yourself

Thank you ^-^

thx cphill

hope you day gets better as well

ok thank you

The priism  is easy...it's just  W * L * H  = 14 * 28 * 17  = 6664 cm^3 (1)

For the half-cylinder...the volume is

(1/2 pi * r^2 * height

The "height" is the length of the  lunchbox   = 28 cm

We neeed to be careful with r  ...it  equals  14/ 2  = 7cm 

So  the volume of the half-cylinder is

(1/2) pi * (r^2) * h  =

(1/2) pi (7)^2 * 28  =  2155.13  cm^3    (2)

Add  (1) and (2)   =  8819.13 cm^3

It's alright! Everyone makes mistakes. 

I hope your day becomes better~

im sorry i hit the wrong button im also having a bad day and can´t think

no problem any time

Thank you ^-^

volume of cuboid: 14*28*17

volume of cuboid: 6664cm^3

radius=7

area of semi circle=pi*r^2/2

area of semi circle=pi*7^2/2

area of semi circle=76.96902001cm^2

are of cross section*length

76.96902001cm^2*28=2155.13256cm^3

2155.13256cm^3+6664cm^3=8819.13256cm^3

I feel like it isn't that easy...and that is incorrect...

Thanks Cphill

√ [ 12  * a^4 * b^3 ]  =

√12 * √a^4 * √b^3  =

√3 * √4  * √a^4  * √b^3  =

√3 *  2 * a^2  * b√b  =

2a^2b√ [ 3b ]

Note, Manuel......if you are having trouble simplifying these square roots.....we want to factor all numbers where one or more of the factors are perfect squares  (if possible)

For  the variables   .....  note that  √a^m   =   a^( m / 2)

To  simplify these....let's look at an example wher m  = 5

So  we  have   √x^5  =    x^(5/2)

Simply  divide  5/2  and express as a mixed number   =  2 + 1/2

The whole  part tells us how many powers of  x  "come out"  of the radical and the numerator of the fraction tells us how many factors of x "stay  in"  the radical

28 X 14 X 17

Your answer is 6664 

question 21:

√2x+13 -5=x

√2x+13=x+5

2x+13=(x+5)^2

2x+13=(x+5)(x+5)

2x+13=x^2+5x+5x+25

2x+13=x^2+10x+25

2x=x^2+10x+25-13

2x=x^2+10x+12

x=x^2+10x+12/2

x=0.5x^2+5x+6