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The spread of a virus through a city is modeled by the function
N = 15000/( 1 + 100e -0.5t)
When N is the number of people infected by the virus after t days. How many days it takes for 2000 people of this city to be infected with the virus.
Hey thanks heaps. Helped me out alot.
Can anyone help me with this.
The population P of a city increases according to the formula
P = 5000e at
Where t is in years and t = 0 corresponds to 1980. In 1990, the population was 10000. Find the value of the constant a and approx your answer to 3 dec places.
Can anyone plot the following
Y= sin(x) + 45°
Can anyone help me with this?
cos (x) = 0.3456
tan (x) = 0.3456
sin (x) = 0.3456
Thanks heaps helped alot
Hi can anyone sketch the following equation?
Y = x² + 3x - 4
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