3. dr. silas studies a culture of bacteria under a microscope. the function represents the number of bacteria t hours after dr. silas begins her study.

(a) what does the value 1200 represent in this situation?
(b) what does the value 1.8 represent in this situation?
(c) the number of bacteria in a second study is modeled by the function .
what does the value of 1000 represent in this situation?
what does the difference of 1200 and 1000 mean between the two studies?

i believe the answers are
a) 1200 represents the initial culture number of bacteria.
b) 1.8 represents the growth rate of the bacteria per hour
c) (this is the one i need on)

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles. i'm desperate.

Read the excerpt from the strange case of dr jekyll and mr. hyde what do dr. jekyll's thoughts reveal about him in this excerpt? [t]he inmates of my house were locked in the most rigorous hours of slumber, and i determined, flushed as i was with hope and triumph, to venture in my new shape as far as to my bedroom. i crossed the yard, wherein the constellations looked down upon me, i could have thought, with wonder, the first creature of that sort that their unsleeping vigilance had yet disclosed to he is jealous of those who can sleep through the night. he is revered for his scientific advances. he is interested in studying the movements of the stars he is proud and enthusiastic about his initial results.

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.