The number of bacteria (b) in a batch of refrigerated food is given by the function b(t) = 20t2 − 70t + 300, where t is the temp

Question

3 years ago

6

The number of bacteria (b) in a batch of refrigerated food is given by the function b(t) = 20t2 − 70t + 300, where t is the temp

erature of the food in degrees Fahrenheit. The function t(h) = 2h + 3 gives the temperature of the food h hours after it is removed from refrigeration. Which expression correctly represents the number of bacteria (b) in the food as a function of the number of hours (h) the food is unrefrigerated?

Mathematics

1 answer:

laiz [17] · Answer 1 · 2022-04-15T18:36:27+03:00

laiz [17]3 years ago

4 0

1. Collect like terms
20t^2 + (-70 + 300)
2. Simplify
20t^2 + 230