Answer:
f(9)=-22-9(9)+20=-83
Step-by-step explanation:
f(9) means x = 9, Just substitute 9 into the function.
-9(9) = -81
-22-81+20 = -83
Answer:
2.25x4.7=10.575
Multiply the amount required for one batch by the # of batches
Step-by-step explanation:
5 10
12 x
Cross multiply = (10 × 12) / 5 =
= 24 days