Which function has a vertex on the y-axis? fx) = (x - 2)2
f(x) = x(x + 2)
f(x) = (x − 2)(x + 2)
f(x) = (x + 1)(x - 2)

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3

Ineed to know the answer to this algebra question.