8/10, because it's double the numbers
Answer:
-37
Step-by-step explanation:
f(9)= -6X9-1
= -36-1
= -37
To do this you need the mean.
(81*9+70)/10 that is the mean equation.
Solve.
(799)/10
79.9
79.9% Will be your grade or a C
8 and 1/5
I'm just writing random stuff now so i can actually answer this lol
You would set the equations equal to eachother and get x=-5/4 and then plug that in for x, i hope this helps!
