A scientist is working with a colony of 5,000 bacteria. If the equation that models the population over time is y = 5000*1.5x. How many bacteria will there be in 5 hours?
A
35,000
B
37,500
C
32,800
D
37,968

Which expression is equivalent to 2x^2+7x+4?

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36