Answer:
B
Step-by-step explanation:
To evaluate (f ￮ g)(x)
Substitute x = g(x) into f(x), that is
f(g(x))
= f(x - 3)
= (x - 3)² ← expand using FOIL
= x² - 6x + 9 → B
Answer:
a)27-x
b)27+x
Step-by-step explanation:
when a boat travels in the same direction as the current is downstream-->speeds the boat. If the rate of the boat in still water is 27 mph and the rate of the current of a river is x mph, the rate of the boat when the boat is going downstream is 27+x
when a boat travels against the current is upstream-->slow down. If the rate of the boat in still water is 27 mph and the rate of the current of a river is x mph, the rate of the boat when the boat is going upstream is 27-x
14
× 67
--------
938 I think
The answer is the first one , A
