Which one is the answer for this question?

x =

5
6
10

10

вот правильный ответ) я точно проверяла

6

Step-by-step explanation:

Hope this helps.

step-by-step explanation:

i need to answer questions so i dont know but i think its the first one because it goes up but a consent rate

f(x) has value 150 at x= 0

and 0 at x= 3

so d(f(x))/dt = slope = -150/3 = -50