Try this option:
A. f(4)=7 - false; explanation: x=4, it means that x>0 and x²-1=4²-1=15 ⇒ f(4)=15.
B. f(1)=0 - true; explanation: x=1, it means that x>0 and x²-1=1-1=0.
C. f(-1)=2 - true; explanation: x=-1, it means that x<0 and -x+1=1+1=2.
D. f(-2)=0 - false; explanation: x=-2, it means that x<0 and -x+1=2+1=3 ⇒ f(-2)=3.
Answer:
The center is (5, -4)
Radius 9
Step-by-step explanation:
Center is just the opposite in the formula
Answer:
The answer is d
Step-by-step explanation:
simplyfied into the simpiliest form possible
Answer:
13/12
Step-by-step explanation:
p=1/6+11/12=(2+11)/12=13/12
Answer:
Answer will be 
Step-by-step explanation:
We have to perform the calculation 
without changing into decimal
can be written as 
So 
Now taking 
common
