Help with Quadratics problem?

Sigchi4life
Category:
Other
Price: $10 USD

Question description

The light produced by high pressure sodium vapor street lamps for different energy uses is shown on the table. 

a) Find a quadratic model for the light output with respect to energy use. Round to two decimal places.

b) From your model, estimate the light output in lumens of a 200-watt light bulb

c) how many watts would a streetlamp need to produce an output of 4900 lumens? (round to the nearest whole number)

Graph:
Energy Use: 
(watts) 
35 
50 
70 
100 
150 

Light Output:
(Lumens)
2250
4000
5800
9500
16,000 

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