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Take all 4 MCQs in interactive quiz mode with timer and progress tracking
An airplane descends from an altitude of 9,500 feet to 5,000 feet at a constant rate of 400 feet per minute. What type of function best models the relationship between the descending airplane's altitude and time?
Difficulty: Easy
A:
Decreasing exponential
B:
Decreasing linear
C:
Increasing exponential
D:
Increasing linear
Marta has 7,500 pesos she will convert to US dollars using a currency exchange service. At this time, the currency exchange rate is 1 peso = 0.075 US dollars. The exchange service will charge Marta a 2% fee on the converted US dollar amount. How many US dollars will Marta receive from the currency exchange after the 2% fee is applied?
Difficulty: Easy
A:
$551.25
B:
$562.50
C:
$5,625.00
D:
$98,000.00
$$71, 72, 73, 76, 77, 79, 83, 87, 93$$
What is the median of the data shown?
Difficulty: Easy
A:
71
B:
77
C:
78
D:
79
Data set A: 5, 5, 5, 5, 5, 5, 5, 5, 5
Data set B: 5, 5, 5, 5, 5, 5, 5, 5, 5, 100
Which of the following statements about the means and medians of data set A and data set B is true?
Difficulty: Medium
A:
Only the means are different.
B:
Only the medians are different.
C:
Both the means and the medians are different.
D:
Neither the means nor the medians are different.
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