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Mandarinka [93]
3 years ago
6

a new smart phone application is available for download the number y of downloads can be modeled by the function y-6.3x^2+3000

Mathematics
1 answer:
kifflom [539]3 years ago
4 0

Answer:

Graph the parabola using the direction, vertex, focus, and axis of symmetry.

Direction: Opens Up

Vertex:  

(

0

,

−

3000

)

Focus:  

(

0

,

−

2999.9

¯¯¯¯¯¯¯¯¯¯¯¯

603174

)

Axis of Symmetry:  

x

=

0

Directrix:  

y

=

−

3000.0

¯¯¯¯¯¯¯¯¯¯¯¯

396825

x

y

−

2

−

2974.8

−

1

−

2993.7

0

−

3000

1

−

2993.7

2

−

2974.8

Step-by-step explanation:

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telo118 [61]
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m of C = 2x+2

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Thus we can create a linear equation

x + 2x-7 + 2x+2 = 180
4x = 185
x = 185/4
x = 46.25

Thus
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m of B = 2(46.25) -7 = 85.5
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...multiply 6

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...multiply 2

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