In a research experiment, the popluation of a colony of bacteria doubles every hour. The population, f(x), of the colony after x hours can be modeled by the function
f(x)=252^2. What values for the domain are reasonable in the given context?

Solving algebraic equations 2m+3=11

Which of the following circles have their centers in the third quadrant?

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14