The path of a projectile projected horizontally with a velocity of v feet per second at a height of s feet, where the model for the path is 
. In this model (in which air resistance is disregarded),yis the height (in feet) of the projectile andxis the horizontal distance (in feet) the projectile travels. A ball is thrown from the top of a 150-foot tower with a velocity of 32 feet per second. Find the equation of the parabolic path.
?
A. 
B. 
C. 
D. 
E. 
Answer: E
Mathematics
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Graph.f(x) = 
x
A. 
B. 
C. 
D. 
Mathematics
Multiply the conjugates. Assume all variables have nonnegative values.(2
- 8
)(2
+ 8
)
A. 860
B. 860 + 32
C. -804
D. -90
Mathematics
Find an equation y = mx + b that models the quantity y after x units of time.A quantity y is initially 7 and decreases at a rate of 60 per day.
A. y = -7x + 60 B. y = -60x - 7 C. y = -60x + 7 D. y = -7x - 60
Mathematics
Combine the following, if possible.
+ 7
+ 6
A. 79x
B. 13x
C. 13x
D. 79x
Mathematics