If a /b = p /q, then (a + b )/b =

a) (p + b )/q
b) (p + p)/q
c) (p + q)/q
d) (p + a)/q

Apopulation of 1500 insects grows exponentially, by a factor of 3 every week. select all equations that represent or approximate the population, p, as a function of time in days, t, since the time it was 1500.