During a research experiment, it was found that the number of bacteria in a culture grew at a rate proportional to its size. at 88: 00 am there were 4 comma 0004,000 bacteria present in the culture. at noon, the number of bacteria grew to 4 comma 8004,800. how many bacteria will there be at midnight?

Mr. walker gave his class the function f(x) = (x + 3)(x + 5). four students made a claim about the function. each student’s claim is below. jeremiah: the y-intercept is at (15, 0). lindsay: the x-intercepts are at (–3, 0) and (5, 0). stephen: the vertex is at (–4, –1). alexis: the midpoint between the x-intercepts is at (4, 0). which student’s claim about the function is correct?

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

3.4a=57.8 what is the the value of a