(offering 20 points)
which of the following phrases best indicates that science is being used correctly in an advertisement?
a. "a survey of 20 people in downtown seattle . ."
b. "testing at an independent laboratory shows . ."
c. "our team of professionals agrees . ."
d. "our own extensive testing shows without a doubt . ."

Testing at an independent laboratory shows

Explanation:

answer: at 24 february, 2014 the population gets twice of its initial population.

explanation:

since we have given that

the population for alpha city, t years after january 1, 2004 is given as

first we find out the initial population, i.e. t=0,

so, our quadratic equation becomes,

according to question, we have said that if the population has twice its initial population, then it becomes

so, time taken to reach this above mentioned population is given by

now, we know that time can't be negative so, we take t=9.149 years.

hence, at 24 february, 2014 the population gets twice of its initial population.

no simpler subs form complex ones. synthesise = make