(b) Use the model to find the sales tax on a purchase that has a retail price of
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Question
(b) Use the model to find the sales tax on a purchase that has a retail price of $5so.50. (Round your answer to the nearest cent.) Need Help? o -6 points LarCAABLS2 2.3.024 SBS Below, you are given the 2012 value of a product and the rate at which the value is expected to change during the next 5 years. Use this information to write a linear equation that gives the dollar value V of the product in terms of the year. (Let t - 12 represent 2012.) 2012 Value Rate $45,000 $2400 decrease per year STEP 1: Find the point on the line that corresponds to the information given above. STEP 2: Find the slope of the line. STEP 3: Use the point-slope formula to find the equation of the line. v= , 12 Sts 17 S2 2.3.030.Explanation / Answer
1) 2012 = t = 12
2012 value = $ 45000
step 1 : point on line is ( 12 , 45000)
step 2 : slope of the line is - 2400
step 3 : point slope form is
V - 45000 = -2400 ( t - 12 )
V = - 2400 t + 73800 12 <= t <= 17
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