Match each exponential equation to its prevent rate of change 60% decay
40% decay
80% decay
20% growth
60% growth
20% decay
40% growth
80% growth

80(1.6)t= 20
40(0.2)t= 1.6
20(0.6)t = 1.2
1.2(1.4)t= 80
60(0.8)t= 1.4

d. bc = 12 and ef = 16

step-by-step explanation:

we are given that δabc : δdef such that .

also, it is given that

so, from the options, we need that .

a.

b.

c.  

d.

as, we can see that only option d gives the same ratio as i.e. .

hence, the possible lengths are bc = 12 and ef = 16.

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.

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step-by-step explanation: