B. Given the formula d = 90 - 4t represents the amount of water in a 90 gallon fish tank in terms of the number minutes, t, since the tank began to drain.

i. As the number of minutes since the tank began to drain increases from 7 to 13 minutes, the number of
gallons of water decreases
from ___ gallons to ___ gallons.

345

step-by-step explanation:

answer: the answer is one

step-by-step explanation:

pemdas, in this situation there is no parenthesis or exponents so you go to multiplication, 1x1=1, then division 1/1= 1 then addition 1+1=2 then subtraction 2-1=1

the cost function, c(x), is the total cost of manufacturing x units of the product. how many units must the company produce and sell if they wish to make a b. if the company produces and sells 2000 units, would they obtain a profit or loss?