Step-by-step explanation:
Question 2(Multiple Choice Worth 1 points)
(08.02 MC)
The function f(t) = 4t2 − 8t + 7 shows the height from the ground f(t), in meters, of a roller coaster car at different times t. Write f(t) in the vertex form a(x − h)2 + k, where a, h, and k are integers, and interpret the vertex of f(t).
f(t) = 4(t − 1)2 + 3; the minimum height of the roller coaster is 3 meters from the ground
f(t) = 4(t − 1)2 + 3; the minimum height of the roller coaster is 1 meter from the ground
f(t) = 4(t − 1)2 + 2; the minimum height of the roller coaster is 2 meters from the ground
f(t) = 4(t − 1)2 + 2; the minimum height of the roller coaster is 1 meter from the ground
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Answer:
The roller coaster is 155 feet above the ground.
Step-by-step explanation:
Given:
The roller coaster climbs 120 feet from ground level.
Then drops 75 feet
Then again climbs 105 feet
To find distance of roller coaster above the ground now we will subtract the drop in level from the rise and then add the second rise to the difference.
This can be evaluated as:
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Thus the roller coaster is 155 feet above the ground.
<u>Step-by-step explanation:</u>
Here we have , sin x=7/25( given sin x = 725 which is not possible ) , 
. Let's find tan (x - pi/4):
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Now , 
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Using two point form
y-5/-4-5=x-10/13-10
rearrange to get 3x+y-35=0
