Here are selected entries from the 2014 tax table that show the federal income tax owed by those married and filing jointly. The taxable income and the tax are both in dollars. Taxable income 72,000 Таx 9896 72,200 9926 9956 9986 72,400 72,600 72,800 73,000 73,200 10,016 10,046 73,400 73,600 10,076 10,106 10,136 73,800 74,000 74,200 10,169 10,219 10,269 Over what two parts of this table is the tax 7 a linear function of the taxable income t? 72,000 sts 72,800 and 73,000 sts 74,200 O 72,000 sts 72,400 and 72,600 sts 74,200 O 72,000 st s 73,000 and 73,200 sts 74,200 72,000 sts 73,600 and 73,800sts 74,200 O 72,000 sts 73,400 and 73,600 sts 74,200 Find formulas for both linear functions. (Let 7 be tax and e taxable income.) lower range T(e) = upper range T(e) = Explain in practical terms what the slopes mean.

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Here are selected entries from the 2014 tax table that show the federal income tax owed by those married and filing jointly. The taxable income and the tax are both in dollars.
Taxable income
Тах
72,000
9896
72,200
72,400
9926
9956
72,600
72,800
73,000
9986
10,016
10,046
73,200
73,400
73,600
10,076
10,106
10,136
73,800
10,169
74,000
10,219
10,269
74,200
Over what two parts of this table is the tax 7 a linear function of the taxable income t?
O 72,000 sts 72,800 and 73,000 sts 74,200
O 72,000 st s 72,400 and 72,600 sts 74,200
O 72,000 sts 73,000 and 73,200 sts 74,200
O 72,000 st s 73,600 and 73,800 sts 74,200
O 72,000 st s 73,400 and 73,600 sts 74,200
Find formulas for both linear functions. (Let 7 be tax and t taxable income.)
lower range
T() =
upper range
T(e) =
Explain in practical terms what the slopes mean.
Hence, the equation of the regression line is y =0.459 x +0.377
ly
Transcribed Image Text:Here are selected entries from the 2014 tax table that show the federal income tax owed by those married and filing jointly. The taxable income and the tax are both in dollars. Taxable income Тах 72,000 9896 72,200 72,400 9926 9956 72,600 72,800 73,000 9986 10,016 10,046 73,200 73,400 73,600 10,076 10,106 10,136 73,800 10,169 74,000 10,219 10,269 74,200 Over what two parts of this table is the tax 7 a linear function of the taxable income t? O 72,000 sts 72,800 and 73,000 sts 74,200 O 72,000 st s 72,400 and 72,600 sts 74,200 O 72,000 sts 73,000 and 73,200 sts 74,200 O 72,000 st s 73,600 and 73,800 sts 74,200 O 72,000 st s 73,400 and 73,600 sts 74,200 Find formulas for both linear functions. (Let 7 be tax and t taxable income.) lower range T() = upper range T(e) = Explain in practical terms what the slopes mean. Hence, the equation of the regression line is y =0.459 x +0.377 ly
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