-$40-$60+$120-$90+$70 = 0
Answer:
The answer for this question is
- 8:10
- 6/8
- 4/6
- 5 to 12
- 2 to 5
Step-by-step explanation:
Just simplify and arrange accordingly by decreasing order
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→Amount charged by wireless service provider when 'm' messages are sent=$(30+0.10 m)
Amount charged if ' 1 ' messages are sent= $30+0.10×1=$30.10
Amount charged when '2' messages are sent=$30+0.10×2=%30.20
.....................................................
Amount charged or money you will pay when 'u' messages are sent=$30+0.10×u=$(30+0.10 u)
Answer:
f-1(x)=x-4
f-1(4)=0
Step-by-step explanation:
to get an inverse function, replace x with y, and y with x.
y=x+4 ---> x=y+4
solve for y: x=y+4 --> y=x-4 --> f-1(x)=x-4
f-1(4)=(4)-4=0
