Both expression have the same denominator: 9x²-1. Thus it must not be 0.
9x²-1=(3x-1)(3x+1)=0, resulting x=+-1/3.
Restrictions: x in R\{-1/3, 1/3}
Adding those expressions:
E=(-x-2)/(9x²-1 ) + (-5x+4)/(9x²-1)=
(-x-2-5x+4)/(9x²-1)=(-6x+2)/(9x²-1)=
(-2)(3x-1)/(9x²-1)=-2/(3x+1)
E=-2/(3x+1)
Answer:
it should be 4.24264068712 looked it up
Answer: All of them are correct I think
Step-by-step explanation:
Answer: C
The graph is continuous because there can be fractional values for time
Multiply dollars / unit * units. It is actually a useful thing to know. Many thing are done using the tools this question requires.
Steve takes home 308.56 dollars. The answer is B.
