Answer: The baby Grows at the average of 3 pounds a month.
Step-by-step explanation: See this work in the picture
If the value of a is positive, the line slopes upwards.
Bu using Pythagoras theorem
(x^2)+(21)^2=(75)^2
Therefore. 5625-441=(x)^2
X^2=5184
Therefore x=72
Third side length=72 units
Answer:
x < -4
I have attached the graph of the equation below and it looks exactly the same to the graph given!
Hope this helps!
Here is the graph of the equation above: