Just plus in x for -3
f(x) = 4(-3)^2 + 3(-3) - 11
f (x) = 4(9) -9 - 11
f(x) = 36 - 20
f(x) = 16
Answer:
52 years old
Step-by-step explanation:
let this mans age be a
400-3a=244
400=244+3a
400-244=3a
156=3a
a=52
V or x is something so if you add 9 to get 8 then you must subtract 9 from 8 to get -1 which would be your answer
-2+6x+4+4x
=2+10x
hope it helps
Answer:
5
Step-by-step explanation:
You just change the signs