Question

May i have someone's attention for a piecewise function question?My question will be uploaded as a picture.I have to write equations for piecewise function shown on the graph i will upload after word?PLEASE help,im stumped

Answer 1

hold on i am uploading the question.....from my math book...

Answer 2

i bet it is a couple of lines. that is my guess

Answer 3

It almost has to be

Answer 4

yes...im trying to upload it ,but i am having some problems

Answer 5

could be a "floor" function

Answer 6

Satellite, retire......lol

Answer 7

ok bye

Answer 8

ahahahaahaha

Answer 9

floor function = step function?

Answer 10

that's one

Answer 11

Izzy. I'm having trouble opening it

Answer 12

ugh okay hold on...

Answer 13

are you talking about #37 or #40 ?

Answer 14

both

Answer 15

can anyone see it?

Answer 16

oh my gosh!

Answer 17

Sorry, I still can't open your attachments. My computer thinks they are text files.

Answer 18

Screen shoot it!

Answer 19

okay does this work?

Answer 20

It's sideways and I can't see it too clearly

Answer 21

problems 36 or 39

Answer 22

both

Answer 23

#37

y=(3/2)x+9/2 x<1
y=-1 x>=1

Answer 24

i took it with my ipod, there is not much i can do

Answer 25

#40 is a step function ...

Answer 26

how did you get that?

Answer 27

For problem 39

Answer 28

#37 :

For x<1 it's a line, and:

y=mx+b
You can see the slope m=3/2 from the graph.

When y=0, x=-3 so:
0=(3/2)(-3) + b
From here you get that b=9/2

So the equation of the line (when x<1) is:
y=(3/2)x+9/2

As for when x>=1 :

y is always -1.

Answer 29

@mandolino how?

Answer 30

OH thanks.....i think that can help me solve the others, except the step function

Answer 31

For problem 36 you have as a piecewise function

Answer 32

can u explain?

Answer 33

Problem 36:
Each of the lines is horizontal. The equation of a horizontal line is y=b, where b is a real number. In this case we don't have lines but we have line segments defined over certain intervals of the domain variable x.

Answer 34

okay...i kinda get it

Answer 35

So is it like working backwards?

Answer 36

Specifically, we have the line y=1, but only from x=0 to x=2 (not including it) indicated by the open circle. The we have the line segment y=3 from 2 (including it) up to but not including x=4. Same for y=6...

Answer 37

For #40, look at this:

http://www.mathsisfun.com/sets/function-floor-ceiling.html

Answer 38

Yes it is like working backwards.

Answer 39

OH thanks :D ...I feel like i actually learned something HAHA

Answer 40

Are you ok with #39?

Answer 41

#40 is based on a ceiling function

Answer 42

@man no i got confused again....how did you get the equations on the left