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Oliga [24]
2 years ago
8

Does this graph represent a function? Why or why not?

Mathematics
1 answer:
mote1985 [20]2 years ago
6 0

Answer:

D

Step-by-step explanation:

The graph in the picture given is obviously a function of f(x) = x^3 which answers whether the graph is a function or not. In addition, the answer the part on why it's a graph, it's because it passes the vertical line test.

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Ted throws an object into the air with an initial vertical velocity of 54 feet per second from a platform that is 40 feet above
ANTONII [103]

PERFECT application of the general equation of things
that are moving up and down in gravity:

                               H(t) = H₀ + v₀t + 1/2 g t²

t  =  time after the toss
H(t)  =  height at any time after the toss
H₀  =  height from which it's tossed
v₀ =  initial speed
g  =  acceleration of gravity

I'm going to call 'UP' = the positive direction .
So ...

H₀ = +40 ft
v₀  =  +54 ft/sec
g  =  -32 ft/sec²

When the object hits the ground, H(t) = 0 .
So you have ...

   0  =  40  +  54 t  -  16 t²

Let me re-write that for you, to make it a
little easier and more familiar:

                                        - 16 t²  +  54 t  +  40  =  0       

Divide each side by -2 :      8 t²   -  27 t  -  20  =  0 

Now go to your toolbox, pull out your quadratic formula,
solve that quadratic equation, and you'll get the usual two
solutions. 

The positive one is the one you want. 

The negative one refers to time before the toss, and may be discarded.

4 0
3 years ago
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Given: AD diameter of Circle P.
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b)140
20 + 20 = 40 \\ 180 - 40 = 140
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3 years ago
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John pays $3 for the train and $2 for the bus each day. Which ordered pair represents how much money John spends in 15 days on t
laiz [17]
Do step by step that how you do it
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3 years ago
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What is the surface area of this shape?<br> 1 cm<br> 5 cm<br> 4 cm<br> 2 cm<br> 6 cm<br> 3 cm
lina2011 [118]

Answer: 6 cm

Step-by-step explanation:

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3 years ago
Find the solution set of the system of linear equations represented by the augmented matrix. (If there is no solution, enter NO
Snowcat [4.5K]

Answer:

The system has unique solution.

Using backward substitution we have

1. x_4=4

2.

x_3+2x_4=2\\x_3+2(4)=2\\x_3+8=2\\x_3=-6

3.

x_2+2x_3+x_4=5\\x_2+2(-6)+4=5\\x_2-12+4=5\\x_2=5+8\\x_2=13

4.

x_1+2x_2+x_4=4\\x_1+2(13)+4=4\\x_1+26+4=4\\x_1=-26

The the solution is (x_1,x_2,x_3,x_4)=(-26,13,-6,4)

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3 years ago
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