Answer:
7 < x
Step-by-step explanation:
-3 < x - 10
+10 +10
------------------
7 < x
If one pound of yogurt cost 55 (cents?) then, Two yogurts cost $1.10
Three yogurts cost $1.65
Four yogurts cost $2.20
Five yogurts cost $2.75
Six yogurts cost $3.30
F(4)=2(4)+1
f(4)=9
2×f(4) = 2×9 =18
The answer is 18.
It would only be 2 and leave the numbers behind the decimal