A function is shown below:
2 answers:
Answer:
Exponential decay of 93%
Step-by-step explanation:
A function is shown below:
f(x) = (0.07)^x
Exponential formula is
r is the rate of growth or decay
From the given f(x) , we have 1+r = 0.07
Subtract 1 from both sides
To get % we multiply by 100
r= -93%
the value of 'r' is negative , so its exponential decay
Exponential decay of 93%
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Answer: There are 385 students and teachers who rode to the zoo in buses and 24 students and teachers who rode to the zoo in trains.
Step-by-step explanation:
Since we have given that
Total number of students and teachers = 409
Let the number of vans be x
Let the number of buses be x+5
Number of students and teachers each bus transported = 55
Number of students and teachers each van transported = 12
According to question,
Total number of students and teachers who rode to the zoo in buses will be
Total number of students and teachers who rode to the zoo in vans will be
Hence, there are 385 students and teachers who rode to the zoo in buses and 24 students and teachers who rode to the zoo in trains.