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03.03.2020 •
Mathematics
Which table represents a function?
x
-1
0
3
0
-2
8
OWN
NANO
1
T
-
1
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Ответ:
answer:
where are the graphs. a graph with a function had to pass the vertical line test. you draw a line through the graph up and down and the line can't touch twice
Ответ:
Hey there!
Functions are basically like machines you put a number into and they give you a new one as an output. This f represents this machine. f(x) represents whatever the output is because it is the x after it has gone through the function machine.
We want to figure out what x is when f(x)=12. Well, we can simply replace f(x) with 12 in the first equation and solve for x!
12=-16x+8
We flip the equation so x is on the left side.
-16x+8=12
We subtract 8 from both sides.
-16x=4
We divide both sides by -16.
x=-1/4
Have a wonderful day! :D