Answer:
B
Step-by-step explanation:
all you need to do is switch the x with 12
<span>f(x) = x² + 4x
so
</span><span>f(-2) = (-2)² + 4(-2)
f(-2) = 4 - 8
f(-2) = -4
answer
-4</span>
I would say 155° Since It's basically the same angle but towards the opposite side. YOU'RE WELCOME:D
Answer: 7.5
Step-by-step explanation: i hope this helps have a nice day god bless