Answer:
30
Step-by-step explanation:
70-40=30
You would have to add x1 + x2 and divide by 2. do the same with y1 and y2.
(1/2,-1/2)
Answer:
x^2-x+5
Step-by-step explanation:
(f-g)(x)=f(x)-g(x)
= (x^2 + 3) - (x - 2) (Don’t forget the -1 multiplies to the x AND -2
= x^2 + 3 - x + 2
=x^2-x+5
A.

B.

It's a minimum, becuase
.
C.
The axis of symmetry is
. So, in this case, it's
.