Dr. silas studies a culture of bacteria under a microscope. the function b(t)=50(1.4)^t represents the number of bacteria t hours after dr. silas begins her study. (a) graph the exponential function. (b) is this exponential growth or decay? how do you know? (c) how many bacteria would there be 5 hours after dr. silas began her study?

Eight people were asked what the balance of their savings account at the beginning of the month was and how much it increased or decreased by the end of the month. create a scatter plot that represents the data that is shown in the table. the x-axis represents the beginning balance in thousands of dollars and the y-axis represents the change in the savings account in hundreds of dollars. name beginning balance (in thousands of dollars) change in savings account (in hundreds of dollars) jimmy 5 3 kendra 4 7 carlos 5 4 yolanda 3 1 shawn 2 5 laura 3 2 andy 5 6 georgia 4 3

Solve -2(4y + 6) = 52. 5 -5 8 -8 and !

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3