A Basic Introduction to Functions

[joshbernardy]

why is this fucking music playing, im trying to learn functions, not listen to shitty music

[b4iFuRu15]

Thank you so much for posting. I've always struggled with functions and now I finally think I understand them.

[mikestucker]

who is singing on your video?

[Pinkpanda73]

w8 its not a function if there's 2 of d same input am i right?

[TripleJPG]

@Pinkpanda73 If they correspond to different outputs, yes.

[rezguy2004]

college algebra - polynomial functions. graphing parabola, problem is:

f(x) = 2x^2 - 4x

my answer is:

a = 2, h = 1, k = -1

vertex (1, -1)

[TheUltimateMan1000]

aah man, i joined school after three months prior to the beginning to of school, now i am having problems due to skippings of the previous classes! damn i need serious help!

[TripleJPG]

What do you need help with?

[TheUltimateMan1000]

solve this equation f:x --> ax^ + bx + c Find (A) the values of a, b and c (B) the positive x number whose image is 2 (c) the set of numbers whose image under f is 2 refer to this thing for the questions f:3-->32 f:1-->6 f:-2 --> -3 I think i didnt write the question correctly, but if u can get the question, then i'd be really tahnkfull if you'd explain it to me, oh yeah and explain the concept too, thank you!

[Tsukasa171]

im having trouble with absolute value function : ( if someone can help me

[TripleJPG]

I can help you, but do you need help in general, or on a specific aspect of it?

[cod4machine19]

Finnally youtube hasn't gone retarded. nice work