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Erica walked down a trail into a valley.

V(d) models Erica's vertical distance from the top of the valley (in kilometers) after walking 
d kilometers along the trail.
What does the statement 
V(2)=T mean?
Choose 1 answer:
(A) Erica's vertical distance from the top of the valley was the same after she had walked 
2km and after she had walked 
T kilometers.
(B) After she had walked 
2km along the trail, Erica's vertical distance from the top of the valley was equal to 
T kilometers.
(C) After she had walked 
T kilometers along the trail, Erica's vertical distance from the top of the valley was equal to 
2km

Erica walked down a trail into a valley.\newlineV(d)V(d) models Erica's vertical distance from the top of the valley (in kilometers) after walking dd kilometers along the trail.\newlineWhat does the statement V(2)=TV(2)=T mean?\newlineChoose 11 answer:\newline(A) Erica's vertical distance from the top of the valley was the same after she had walked 22 km and after she had walked TT kilometers.\newline(B) After she had walked 22 km along the trail, Erica's vertical distance from the top of the valley was equal to TT kilometers.\newline(C) After she had walked TT kilometers along the trail, Erica's vertical distance from the top of the valley was equal to 22 km

Full solution

Q. Erica walked down a trail into a valley.\newlineV(d)V(d) models Erica's vertical distance from the top of the valley (in kilometers) after walking dd kilometers along the trail.\newlineWhat does the statement V(2)=TV(2)=T mean?\newlineChoose 11 answer:\newline(A) Erica's vertical distance from the top of the valley was the same after she had walked 22 km and after she had walked TT kilometers.\newline(B) After she had walked 22 km along the trail, Erica's vertical distance from the top of the valley was equal to TT kilometers.\newline(C) After she had walked TT kilometers along the trail, Erica's vertical distance from the top of the valley was equal to 22 km
  1. Function Representation: The function V(d)V(d) represents Erica's vertical distance from the top of the valley after walking dd kilometers along the trail. The statement V(2)=TV(2)=T means that when we input 22 into the function VV, the output is TT.
  2. Input Output Relationship: This means that after Erica has walked 22 kilometers along the trail, her vertical distance from the top of the valley is TT kilometers. This corresponds to option (B)(B).

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