Question

Which function rule matches the graph below?


f(x) = 2x – 4
f(x) = 2x
f(x) = x – 4
f(x) = x + 4

Answer 1

first look at the y-axis what is the point where line touch y-axis ???
where line touch y-axis that is your y-intercept

Answer 2

So the why intercept is -4, correct?

Answer 3

yes that'sr ight

Answer 4

now for slope
you have 2 option
first take two points and use slope formula
another way is to just look at the graph and see how many step are you going up and how many step right first draw a line which make right triangle there

Answer 5

for example this is your graph exampel<--

Answer 6

now here is a example that how you make triangle which help you to count steps
and yeah like i said before you can take two points and use formula to find slope
up to you
:)

Answer 7

Okay! I think I remember how to get the slope. It's rise over run, right? In this problem, the equation would be -4 - 0 / 0 - 2. So theslope is -4 / -2, or 2!

Answer 8

slope is 2!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 9

so what is your answer!!

Answer 10

f(x) = 2x - 4 ??

Answer 11

yeah good :)

Answer 12

Yay, thanks so much!!!

Answer 13

my pleasure!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
good job!!!!