The table shows the number of bacteria in a petri dish over a three-hour period. Time (hours): Number of bacteria:
(0 , 460)
(1 , 1380)
( 2 , 4140). (3 , 12,420) write an exponential function to represent the number of bacteria in the Perri dish as a function of time.

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?