Question

Please help!
Indentify the rule for the function graphed below.

y = x + 8

y = -x

y = x - 8

Answer 1

Here the graph.

Answer 2

Every funtion pairs ___________ output value with one input value.

more than one.
at least one.
exactly one.

Answer 3

Which set of output values correctly complete the function table?

-24, -8, -12
24, 8, 12
24, 8, -12

Answer 4

which q you need help wid

Answer 5

#2

Answer 6

ok, by definition a function pairs pairs only one output value for each input value.

Answer 7

Now can someone help me with #3

Answer 8

look at the table. there is a clue at the top of table : y=-4x

Answer 9

we need to use that to figure out the answer

Answer 10

ok

Answer 11

is the x is -4 times?

Answer 12

yes, y is -4 times x

Answer 13

cool

Answer 14

so, when x = -6,

y = -4 x -6
= ?

Answer 15

28

Answer 16

you mean 24 ?

Answer 17

yea that

Answer 18

good :) so thats your output value for -6

Answer 19

look at table, whats the next x value ?

Answer 20

8!

Answer 21

thankyou

Answer 22

brilliant !

Answer 23

Help! im stuck on #1

Answer 24

ok lets have a good look at the line

Answer 25

where the line is cutting y axis ?

Answer 26

y axis is that vertical thick line btw..

Answer 27

the one crossing it is the one that lay down like a pencil the x axis.

Answer 28

yes, im asking at what point the red line is crossing the y axis

Answer 29

look at the graph, it is crossing at -8, right ?

Answer 30

wait hold on

Answer 31

so thats the value when x = 0

Answer 32

and if you see, the red line is slowing rising up

Answer 33

what was the question again?

Answer 34

we need find the equation for that red line

Answer 35

oh

Answer 36

thats the part im stuck on

Answer 37

the red line is rising 1 grid up, for every 1 grid movement of right side.

Answer 38

so equation will be y = x - 8

Answer 39

see if that makes some sense

Answer 40

np

Answer 41

The value of the dependent variable in a function is always ______ the value of the independent variable.

determined by
greater than
equal to
less than

Answer 42

y=mx+b
From the plot, the line crosses the y axis at -8.
y=mx-8
Using the red dots on the plot, the slope, m, is 2/2 or 1.
y=x-8