ANSWER
A) -20x²+14x+12; all real numbers
EXPLANATION
The give functions are;

and





This is a polynomial, hence the domain is all real numbers.
Answer:
All Real Numbers
Step-by-step explanation:
The graph extends in the x axis infintley
This is a proportions question
12 42
------ = -------
70 ?
Cross multiply
70x42=2940
12x?=2940
294/12=245
42 cows can produce 245 gallons of milk.
So the answer is B.
Hope I helped!
Answer: x=11
Step-by-step explanation: