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Yep....welcome back, Aziz !!!  We've been missing you !!!

 Gino, my answers are a bit  different from yours - would you like to check?

f(x) = cos 4(x+5) + 3?

Amplitude is 1

vertical shift is 3 units up   +3

wavelength = 2pi/4 = pi/2

Phase shift is 5 to the left    (-5)   

To find the shift I say x+5=0   so x=-5

The green line is meant to be a arrow going left.

the questions that are on the forum.

+ means in the positive direction, up and right.

What questions?

This is a perfect square trinomial:  4y^4 = (2y²)²   and   9x^4 = (3x²)²

Since the last sign is a '+' and the first term is a '-', it will factor into two factors, each one containing a minus sign.

Try   (2y² - 3x²)(2y² - 3x²) 

a sassy ninja, aren't you in a higher grade?

the answer is 19

There is a graphing calculator - Look at the bottom right of the web2 calculator.  

We cannot do this computation.

Since it has uniform acceleration: divide 25m/s by 5s to get 5 m/s/s or 5 m/s².

On a graph with the x-axis representing time and the y-axis representing velocity, the slope of the line represents acceleration.

The equation y = 5x will contain the two points (0,0) representing being stopped at time = 0s and the point (5,25) withich represents 25m/s at time = 5s.

The area under the curve will represent distance because the area = .5 · length · width. The figure with a constant slope from (0,0) to (5,0) to (5,25) is a triangle. The area represents distance because the length is seconds and the height is meters per second and when you multiply seconds x meters/second, you get meters.

So, the distance travelled is the area of a triangle whole base is 5 units and whole height is 25 units: 

.5 x 5 x 25  =  62.5 meters.

Try this:  (4y - x)(4y-x)

Edit: Geno got it! I thought too hard about it.

They are unique shapes that arise as a result of patterns.

25y^4 - 4x^4

Note that we can see this in the format a^2 - b^2

a^2 = 25y^4 --> a = sqrt(25y^4) = 5y^2

b^2 = 4x^4 --> b = sqrt(4x^4) = 2x^2

(5y^2 + 2x^2)(5y^2 - 2x^2).

Proteins, lipids, nucleic acids, and sachharides. 

700^(0.128) = 2.3129835769169597. Use the calculator on the home page.

9(2 1/3) as in 9*(2*1 / 3)?

If so, 9*(2/3) = 9*2 / 3 = 18 / 3 = 6.

OK so you have 9 times 2 1/3... what your going to do is turn 2 1/3 into an improper fraction and that would turn it into 7/3. Then you would make 9 a fraction by putting 1 as the denomanitor.

SO you have 9/1 * 7/3... you mulitpy across and you would get 63/3. You can simplify that by 3 and you would get 21/1. 21/1 equals 21.

So... 9 * 2 1/3 = 21

playing? i dont think so. you did a great answer, so that is no joke! are you one of those super genious people on Earth???

You can't solve it for a but p has to be 2.

If p is 2 then a can be anything.

$$$This is a factorisation that you need to memorise$\\\\
\boxed{a^3\pm b^3=(a\pm b)(a^2\mp ab+b^2)}\\\\
so\\
1+27x^3\\
=1^3+(3x)^3\\
=(1+3x)(1-3x+9x^2)$$

Thanks Chris and dragon.

I was just playing.  It is good to do that sometimes.  

No... it's a way to get help on your homework when you need help.

when melody has the chance to explain an aswer, she DEEPLY EXPLAINS IT.