Question

A scientist counts 35 bacteria present in a culture and finds that the number of bacteria triples each hour. The function y = 35 • 3x models the number of bacteria after x hours.

Graph the function. (You do not need to submit the graph).

Use the graph to estimate when there will be about 550 bacteria in the culture.

Answer 1

can do it!...use x=1,2,3,4,sustitute in the equation and find the y, draw the graph...and then find x when y = 550...do u wnt me to help u further

Answer 2

please

Answer 3

Note there is an error in the question...its not y=35.3x, it is y=35 . 3^x

y= 35 . 3^x (35 is the initial number of bacteria)
y= 35 . 3^(1) (substitute when x=1, so that u can graph it)
y=105 when x=1 (these r the points which u r goin to plot in the graph)

then

y=35.3^x (substite when x=2)
y = 35 * 3^2
y = 35 * 9 = 315

then do the same thing and u get a graph of x/y axis, plot the points and extend the curve and then draw a line(dotted) from the y=550 and chck x axis= which is the hours....
(sorry for the delay, cuz ur question ws wrng)

Answer 4

THANK YOU

Answer 5

np:)

Answer 6

thats not right..i used that and it marked my answer wrong