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04.06.2020 •
Mathematics
Which equation below will produce a decay curve?
y = 3^x - 4
y = 2(4)^x
y = 1/2(3)^x
y = 6(1/3)^x
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Ответ:
Correct option: fourth one -> y = 6(1/3)^x
Step-by-step explanation:
A decay curve is produced by an exponencial function with a rate lesser than 1 and greater than 0. This way, we have an exponencial function where the values of y decrease when the values of x increase.
The first equation is a linear equation.
The second and third equations are exponencial equations, but with a rate bigger than 1
The fourth equation is an exponencial equation with a rate lesser than 1 and greater than 0, so this equation will produce a decay curve.
Ответ: