The value of a boat, in dollars, x years after its purchase is represented by the function.
1 answer:
The average decrease in value can be solve by first solving the value at year 1 and year 2 and i think the equation is <span>f(x)=10,000(0.73)^x</span> at x = 1 <span>f(x) = 10,000(0.73)^x </span><span>f(1) = 10,000(0.73)^(1) f(1) = 7300 at x = 2 </span><span>f(x) = 10,000(0.73)^x </span><span>f(2) = 10,000(0.73)^(2) f(2) = 5329 so the average decrease = ( 7300 - 5329) = $ 1971 per year</span><span> </span>
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Step-by-step explanation:
Answer:
x=4
Step-by-step explanation:
It's a parallel line so the equation is
100+19x+4=180
19x=180-100-4
19x=76
x=76/19
x=4
Answer:
5
Step-by-step explanation:
4(5+n)=4(n+p)
20+4n=4n+4p
4p=20
p=20/4
p=5
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If a>0, then the parabola opens up;
If a<0, then the parabola opens down.
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