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Valduarte07
30.07.2019 •
Mathematics
Which equation below will produce a decay curve y=2(4)^x y=3^x-4 y=6(1/3)^x y=1/2(3)^x
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Ответ:
answer : y=6(1/3)^x, option C
Decay curve means when x value increases the y value will decrease.
We plug in 3 values for x and check the y value
Lets start with first option
x=0 , y= 2
x=1, y= 8
x=2, y=32
when x value increases the y value also increases. so option A is not a decay curve
x=0 , y= -4
x=1 , y= -1
x=2 , y = 5
when x value increases the y value also increases. so option B is not a decay curve.
x=0, y = 6
x=1, y = 2
x=2 , y= 0.67
when x value increases the y value decreases. so option C is a decay curve
Ответ:
The length of the fence is 6.28x-150 cm.
Step-by-step explanation: ... Since the pool is in a circular shape so the circumference will be the length of the fence.