Mikalee, a fighter pilot, ejects from her burning plane. Once she is safely on the ground, she launches a flare to attract the attention of a
rescue plane. The initial velocity of the flare is 1600 ft/sec. The
height of the flare, h(t), at any time, t, is modeled by the function
- 16t? + 1600t. What is the maximum height of the flare?

1. 400 feet
2. 40,000 feet
3. 4000 feet
4. 50 feet

for b its (t) and c its (d)

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i dont know if you cant find a way its best to actually add all of them start from 105 tho

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guess at question:

a vertical line intersects the graph of g(x,y) = 0 at two points. what conclusion follows about the function f(x) implicitly defined by g(x,f(x)) = 0?

the domain of f(x) cannot include the x coordinate of any such vertical line.

informally, f(x) is not a function, and

g(x,y)=0 cannot be solved for y uniquely.

the relation r = {(x,y) such that g(x,y) = 0} is a function if

for all (a,b) ∊ r and (c,d) ∊ r, a=c implies b=d.

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32

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