Respuesta :

this is simple multiplication
do 2*4 and 10*4
so you get f(x)=8 and x=40

if you wanna do it by doing division do
2=10
f(x)=40
cross multiply then divide
so do 2*40 to get 80
then do 80/10 to get 8
azaguila8
The answer is 8.
10 times 4 equals 40. 2 times 4 equals 8.

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