Answer:
f(x)^-1=-1
f(x)=x^3+1+3x^2+3x
Step-by-step explanation:
Help me :( it's algebra and I am so confused. (explanation would be nice)
2 answers:
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Given :
A 136 foot tall cell phone tower casts a 79.9 foot shadow.
To Find :
The shadow length for a nearby 40 foot telephone pole .
Solution :
We know , the ratio of height and shadow , will be same for every object .
Let , length of shadow of pole is x .
So ,
Therefore , the length of shadow of tower is 23.5 foot .
Hence , this is the required solution .