Answer: Yes, Raoul is correct because the initial value, also known as the y-intercept of function A is 0 and function B is 3.
Step-by-step explanation: The initial value is when x=0.
Number 7 is 111 because they are alternate interior and 8 is 90
This kind of problems requires to add the working velocities. The total velocity is the sum of the individual velocities.
Anita's velocity = 1 pool/8 hours
Chao's velocity = 1 pool/6 hours
Combined velocity 1/8 + 1/6 = (3 + 4)/24 = 7/24 pool/hour
Time = 1 pool / (7/24) pool/hour = 24/7 hour =3.43 hours
Let the first be x and the second be x + 4
x+ x + 4 = 56
2x+4 = 56
2x = 52
∴x= 26
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