Answer:
d=1/2
Step-by-step explanation:

c
The domain of the function is all real numbers greater than or equal to 0.
The range of the function is all real numbers greater than or equal to −1.
The range of the function is all real numbers less than or equal to 0.
The domain of the function is all real numbers less than or equal to 0
It would be equal to 300/100