x+y=987
x=y+37
2y+37=987
2y=950
y=475
The cost of the dryer is 475.
The formula is
2* 3^n-1
2*3^11
354294
The domain is the x value which can be any real number.
The range is the y value , which the range of an exponential function which does not add or subtract anything after the exponent is y < 0
Domain= all real numbers
Range = y < 0
The diagram shown relates age with mileage, so to get the mileage at any age,
we trace the age in years to the line of best fit and;
trace horizontally to cut the vertical axis and obtain the overall mileage.
Doing this, we get;
We observe that the overall mileage according to the line is;
135,000 Option B
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