Answer is
Domain: (- infinity, + infinity) or all real numbers
range: (- infinity, + infinity) or all real numbers
Discrete or continuous: continuous
This is a cubic function at the origin, so the domain and range will always be all real numbers. Domain is continuous because it goes on forever
In this question, it is given that
A certain bacteria culture grows at a rate of 18% everyday. There are currently 420 bacteria.
And we have to find number of bacterias on day *.
For that we use the following formula
![N(t) =N_{0} (1 +r)^t](https://tex.z-dn.net/?f=N%28t%29%20%3DN_%7B0%7D%20%281%20%2Br%29%5Et)
![N(0)= 420, r = 0.18 , and \ t = 8days](https://tex.z-dn.net/?f=N%280%29%3D%20420%2C%20r%20%3D%200.18%20%2C%20and%20%5C%20t%20%3D%208days)
Substituting these values in the formula, we will get
![N(8)= 420(1+0.18)^8 \\ N(8)=1579](https://tex.z-dn.net/?f=N%288%29%3D%20420%281%2B0.18%29%5E8%0A%5C%5C%0AN%288%29%3D1579)
THerefore on day 8, number of bacterias are 1579.
You didn’t give the answers
Answer:
I think it is D
Step-by-step explanation:
The distributive property (the 5 is distributed to both the x and -7)