The expression 5(2)t gives the number of leaves in a plant as a function of the number of weeks since it was planted. What does 2 represent in this expression?
Interpreting Exponential

Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
Barbara White
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
There were initially 2 leaves in the plant.
The number of leaves is multiplied by 2 each week.
The plant was planted 2 weeks ago.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The expression 1350(1.05)t models the average wages, in dollars, in the US as a function of the number of years since 1930. What does 1.05 represent in this expression?
The average wages in the US were about $1.05 in 1930.
The averages wages in the US increase by about 5% each year.
The average wages double every 1.05 years.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The expression 3(1.5)t models the number of bacteria in a culture as a function of the number of hours since the culture was created. What does 3 represent in this expression?
There were initially 3 bacteria in the culture.
The number of bacteria is multiplied by 3 each hour.
The culture was created 3 hours ago
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The expression 5∙1.15t gives the area, in square meters, damaged by a fire as a function of minutes since the fire was discovered. What does 5 represent in this expression?
An area of 5 square meters had been damaged by the fire by the time it was discovered.
The area damaged by the fire is multiplied by 5 each minute.
It has been 5 minutes since the fire was discovered.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The expression 6.7∙1.45t models the number of billions of genetic sequence bases available in the public database of the Whole Genome Shotgun project t years since 2002. What does 1.45 represent in this expression?
There were 1.45 billion bases in the database in 2002.
The number of bases in the database is multiplied by 1.45 each year.
It is 1.45 years since 2002
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The expression 475∙1.076t models the average annual per capita health care costs, in dollars, in the US as a function of the number of years since 1970. What does 1.076 represent in this expression?
The per capita health care costs were about $1.076 in 1970.
The per capita health care costs increase by about 7.6% each year.
The per capita health care costs double every 76 years.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The expression 900∙2.25t gives the price performance, in bits per second per dollar, of wireless devices from a certain company as a function of years since the company began. What does 900 represent in this expression?
The company's initial price efficiency was 900 bits per second per dollar.
The price efficiency is multiplied by 900 each year.
The company will have its maximum price efficiency 900 years after it began.
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