Answer:
7) (f+g) (x) = 4^x + 5x -5
8) (f-g) (x) = 4^x + x - 5
Step-by-step explanation:
7) Find (f +g)(x)
(4^x + 3x + 2x - 5)
(4^x + 5x -5)
(f+g) (x) = 4^x + 5x -5
8) Find (f-g)(x)
(4^x + 3x - 2x - 5)
(4^x + x - 5)
(f-g) (x) = 4^x + x - 5
Answer:
The fraction of the children in the group that contains both dog and a cat is 
Step-by-step explanation:
The fraction of the children in the group that contains both dog and a cat is presented below:
= Pet dog + cat

Hence, the fraction of the children in the group that contains both dog and a cat is 
Answer:
A. Add three to both sides. D. Addition property of equality.
Step-by-step explanation:
You can follow PEMDAS to solve this, and I recommend you see your teacher for help.