Answered

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Solve this world problem

Sagot :

The function is

y=0,7x+80

and they ask you the point (6, )

this means x=6

so we need to replace x=6 on the function and find out the value of y

Y=0,7*6+80

Y=4.2+80=84.2

So the answer is: (6, 84.2)

and this means that 6 years before 1999, the number of households that have at least one microwave is 84.2 million

For C. 2014 is (2014-1999=15) 15 years after 1999

So we replace x=15

Y=15*0,7+80=90.5

So the answer is: 90.5 million households

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