Answer:
Exponential
Explanation:
The growth of an exponential function will develop much faster than all other functions included in the options meaning the execution time will take longer. This makes exponential functions the least efficient.
Answer:
Explanation:
The following code is written in Python. It creates a class that takes in one ArrayList parameter and loops through it and calls two functions that check if the numbers are Perfect, Odd, or Even. Then it goes counting each and printing the final results to the screen.
class NumberAnalyzer:
def __init__(self, myArray):
perfect = 0
odd = 0
even = 0
for element in myArray:
if self.isPerfect(element) == True:
perfect += 1
else:
if self.isEven(element) == True:
even += 1
else:
odd += 1
print("# of Perfect elements: " + str(perfect))
print("# of Even elements: " + str(even))
print("# of Odd elements: " + str(odd))
def isPerfect(self, number):
sum = 1
i = 2
while i * i <= number:
if number % i == 0:
sum = sum + i + number / i
i += 1
if number == sum:
return True
else:
return False
def isEven(self, number):
if (number % 2) == 0:
return True
else:
return False
<u><em>Answer:</em></u>
<u><em>The speed is </em></u>
<u><em>=
</em></u>
<u><em>30
</em></u>
<u><em>m
</em></u>
<u><em>s
</em></u>
<u><em>−
</em></u>
<u><em>1
</em></u>
<u><em>
</em></u>
<u><em>Explanation:
</em></u>
<u><em>The speed of a wave is given by
</em></u>
<u><em>
</em></u>
<u><em>speed
</em></u>
<u><em>(
</em></u>
<u><em>m
</em></u>
<u><em>s
</em></u>
<u><em>−
</em></u>
<u><em>1
</em></u>
<u><em>)
</em></u>
<u><em>=
</em></u>
<u><em>frequency(Hz)
</em></u>
<u><em>×
</em></u>
<u><em>wavelength (m)
</em></u>
<u><em>
</em></u>
<u><em>The frequency is </em></u>
<u><em>f
</em></u>
<u><em>=
</em></u>
<u><em>100
</em></u>
<u><em>H
</em></u>
<u><em>z
</em></u>
<u><em>
</em></u>
<u><em>The wavelength is </em></u>
<u><em>λ
</em></u>
<u><em>=
</em></u>
<u><em>0.3
</em></u>
<u><em>m
</em></u>
<u><em>
</em></u>
<u><em>The speed is
</em></u>
<u><em>
</em></u>
<u><em>v
</em></u>
<u><em>=
</em></u>
<u><em>λ
</em></u>
<u><em>f
</em></u>
<u><em>=
</em></u>
<u><em>0.3
</em></u>
<u><em>⋅
</em></u>
<u><em>100
</em></u>
<u><em>=
</em></u>
<u><em>30
</em></u>
<u><em>m
</em></u>
<u><em>s
</em></u>
<u><em>−
</em></u>
<u><em>1
</em></u>
<u><em>
</em></u>
<u><em></em></u>
<u><em></em></u>
<u><em></em></u>