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An equation for a houses value is y=7500x 125000 where y is the value in dollars and x is the time in years starting now
A) What is the current value
B) what is the value in 2 years
C) what is the value in 7 years
D) at what rate is the house value changing year by year


Sagot :

Answer:

I hope that it is a plus in the equation

y = 7500x + 125000

a) for the current value the answer would be

y = 7500 x 0 + 125000 as we start from this year so it is basically 0 years now

so the price would be only 125000 $

b) y = 7500 x 2 +125000 for 2 years as we change the x value

which gives y = 15000 + 1250000 = 140000 $

c)after 7 years would be

y = 7500 x 7 + 125000

y = 177500 $

d) the changing rate will find the common difference between them

so the current year price is 125000$,

the first year would be = 132500$ and so on

d = 132500 - 125000

d = 7500 Hence thats the rate of changing.