Answer:
The function is increasing on the interval [-2,1]
Step-by-step explanation:
#1 : ( 3 , - 2 )
~~
#2 : ( - 1 , 4 )
~~
I hope that helps you out!!
Any more questions, please feel free to ask me and I will gladly help you out!!
~Zoey
Step-by-step explanation:
given,

Answer:
EK = 9
Step-by-step explanation:
x + 11 = -5 + 2x -5 + 2x
x+11 = -10 + 4x
11 = 3x - 10
3x = 21
x = 7
EK =-5 + 2 × 7
EK = 14 - 5
EK = 9