In return, +karma fshoo

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Posts: 2461

So i have to take this stupid placement test to get into this calculous class for summer school. I took it in college but had to drop it because my teacher was horrible and now its really fucking me over. First test i got 5 points under what i needed. Hopefully you guys can help me figure out how to do some of these before my test today.

In return, +karma fshoo

Remember, Remember, The 3rd of December

Posts: 2059

a) 0

anything multiplied by zero is zero

anything multiplied by zero is zero

Alcohol the cause and solution to all lifes problems.

Posts: 14591

yea that's not hard at all, and a placement test is just every thing you learned in high school if you fail you have to take an extra coarse so you do use math at some other point in your life.

let me guess what you next goal is.. Have sex with your skis' And I was like 'No way man I just sharpened my edges'.

Posts: 14591

o and yes it's a

let me guess what you next goal is.. Have sex with your skis' And I was like 'No way man I just sharpened my edges'.

Posts: 2461

the answer key says its D) -1 though thats why i'm so confused

Remember, Remember, The 3rd of December

Posts: 2214

It is saying that it wants (g composed of f ) where x=0 not times 0

so g composed of f: you take G and replace the X in g with 2^X

So now you have (g o f) = 2^X -2

Anything to the power of zero is 1

Therefore by subbing 0 into that equation you get:

2^(0)-2

= 1-2

= -1

= D

Posts: 1430

This.

that notation is just a different way of saying G(F(x))

that notation is just a different way of saying G(F(x))

Posts: 2461

Posts: 1264

wronnnggggggg. haha

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My Photography: http://eigenfel.imagekind.com

My Photography: http://eigenfel.imagekind.com

My Photography: http://eigenfel.imagekind.com

My Photography: http://eigenfel.imagekind.com

My Photography: http://eigenfel.imagekind.com

My Photography: http://eigenfel.imagekind.com

My Photography: http://eigenfel.imagekind.com

My Photography: http://eigenfel.imagekind.com

Posts: 2214

Actually is the answer to that inequality A) ??

Posts: 2461

its C =\

Remember, Remember, The 3rd of December

Posts: 2214

Damn, then i'm not sure on that one, For number 20 is it E)?

Posts: 2461

yeah. i dont really understand how you got that one

Remember, Remember, The 3rd of December

Posts: 2214

Ok, First forget what i is equal to. In this case its the Square root of -1. FORGET THAT.

Now you have (i+1)(6i-10)

This simplifies to 6i^2 -4i-10 (if you dont get that ask.)

Now, you'll notice you have part of the answer (-4i)

But wheres the -16 come from?

Now if u remember i = root-1

If you sub i into 6i^2

you have a square root squared, in other words the ^2 and the square root sign cancel out, so you are left with 6(-1) of -6

So you now have -6-4i-10 which = -4i-16

Posts: 2514

its D retard

vote democrat, its easier than working

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You are the worst member of Newschoolers.com currently. Congratulations. - Kepler

Posts: 110

for the inequality one you first solve it ignoring the absolute value signs. so you solve -2x-5 __ -6. do the same steps you did to solve the other one for x and you should end up with x __

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Posts: 511

inequality is c

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Free Shitttt

Posts: 1430

Alright, you set it up like this, ignore the absolute signs at first.

-2x-5 >= 6

-2x >= 11

x >= -11/2

k?

THEN we do this

-2x-5

-2x-5 >= 6

-2x >= 11

x >= -11/2

k?

THEN we do this

-2x-5

Posts: 1430

Okay... first post didn't work so well, sooo try #2! Preemptive sorry for the double post.

-2x-5 >= 6

-2x >= 11

x >= -11/2

k?

THEN we do this

-2x-5 = to

-2x-5 >= 6

-2x >= 11

x >= -11/2

k?

THEN we do this

-2x-5 = to

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