X greater then or equal to -1
No, they are not similar, because one is 55 degrees and the other is 36 degrees
Answer:

Step-by-step explanation:
GIVEN: The weight, in pounds, of a newborn baby
months after birth can be modeled by the function
.
TO FIND: What is the y-intercept of the function and what is its interpretation in the context of the problem.
SOLUTION:
in 
if 

Hence y-intercept is 
the y-intercept in this represents the weight of baby just after he is born.
Elga’s age is 40 and Alvin’s age is 54