No, they forgot to switch variable labels after solving for the independent variable...
y=-8x+4
y-4=-8x
(y-4)/-8=x
Now that you have solved for the independent variable x, you switch the variable labels...
y=(x-4)/-8
f^-1(x)=(x-4)/-8 which should really be rewritten as:
f^-1(x)=(4-x)/8 :P
Answer:
bonjour voilà la réponse 4.55
Answer:
2/10
20/100
5/25
Step-by-step explanation:
I hope this helps you
Answer:5,5
Step-by-step explanation:
