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CaHeK987 [17]
3 years ago
12

NEED HELP ASAP!! PLEASE SHOW AND EXPLAIN YOUR ANSWER!

Mathematics
1 answer:
Evgen [1.6K]3 years ago
6 0

A. The decrease in Car 1 value is constant at 6000 from year to year. Its value can be described by a linear function.


The decrease in Car 2 value is a constant percentage of its current value from year to year. Its value can be described by an exponential function.


B. The slope of the Car 1 function is -6000, and the value is 32000 in year 1, so the value function for Car 1 can be written as

... f(x) = 32000 -6000(x-1)

... f(x) = 38000 -6000x


The value multiplier for Car 2 from year to year is 27455/32300 = 0.85, so the value function for Car 2 can be written as

... f(x) = 32,300·0.85^(x-1)

... f(x) = 38000·0.85^x


C. There is a significant difference in value after 5 years. Car 2 is worth more than double the value of Car 1 in year 5. That year, their values are ...

... car 1: $8000

... car 2: $16861

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Let's call the store value as s and the wholesale price as w. A store prices tapes by raising the wholesale price 50%(0.5 in decimals) and adding 25 cents, writing this as an equation, we have

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If we invert the equation we're going to find the the wholesale price as a function of the store price.

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Now, to find the wholesale price if the sales price is $1.99, we just need to evaluate s = 1.99 on the function we created.

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