abbybowen26
abbybowen26
16-12-2017
Mathematics
contestada
if f(x)=2x+8 what is f(-1.8)
Respuesta :
helpmetnx
helpmetnx
16-12-2017
To find this out, you plug it into x
f(x) = 2x + 8
f(-1.8) = 2(-1.8) + 8
solve
f(-1.8) = -3.6 + 8
f(-1.8) = 4.4
In other words, -1.8 is the x coordinate and the y coordinate is 4.4
so (-1.8, 4.4)
Hope this helps :)
Answer Link
amelia18
amelia18
16-12-2017
The answer would be f(-1.8)= 4.4
Just substitute x with -1.8
2 times -1.8 equals -3.6 and -3.6 plus 8 equals to 4.4
Hope this helps, please mark brainliest!
Answer Link
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