It is just y=-4 since the line is horizontal
Answer:
This is geometric sequence.
,


= 
Answer:
a = -5
Step-by-step explanation:
-3a + 7 = 22
Subtract 7 from both sides.
-3a = 15
Divide both sides by -3.
a = -5
Answer:
for 3 is increasing and for 4 is decreasing
Step-by-step explanation: