Answer:
f(3) = -43
Step-by-step explanation:
alright so all you have to do is substitute x with 3 so it gonna look like
-(3)^2-9(3)-7= f(x)
now you just have to solve
-9-27-7=f(x)
f(x)= -43
Answer:
B
Step-by-step explanation:
you multiply the numbers and remember the little square is 90
Answer:
r=8
t=4√29
Step-by-step explanation:
By the altitude leg theorem:
This implies that:
We simplify to obtain:
By the Pythagoras theorem:
Answer:
1)D
2)D
3)A
Step-by-step explanation: