Step-by-step explanation:
A. D(t) = -25t + 160
this is the correct answer because if you substitute 3 you get 85
Y is greater than or equal to -6 i believe
To find f(x) - g(x), simply subtract g(x) from f(x).

If you need to simplify, we can find a common denominator:
Answer:
64
Step-by-step explanation:
Hope it helps!
19/50 when you divide both the numerator and the denominator by 2.