What is the significance of the notation h(t)?
Unit 4 Mid Unit Assessment - original

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Mathematics
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8th Grade
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Medium
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
h(t) represents the height of a plant at time t.
h(t) represents the temperature of a plant at time t.
h(t) represents the weight of a plant at time t.
h(t) represents the age of a plant at time t.
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What does h(4)=5 represent in the context of a function h(t) for plant height?
After 4 weeks, the plant is 5 inches tall.
After 4 weeks, the plant is 4 inches tall.
After 5 weeks, the plant is 5 inches tall.
After 4 weeks, the plant is 6 inches tall.
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is a linear function?
A function that graphs to a straight line, represented by the equation y = mx + b.
A function that has a constant rate of change and forms a curve on a graph.
A function that can be represented by a quadratic equation.
A function that does not have a defined slope.
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What does it mean if a function is increasing?
A function is increasing if the output values rise as the input values increase.
A function is increasing if the output values decrease as the input values increase.
A function is increasing if the output values remain constant as the input values increase.
A function is increasing if the output values fluctuate as the input values increase.
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Calculate the average rate of change from 20 to 40 minutes if the output changes by -40 gallons.
-1 gallon per minute
-2 gallons per minute
-3 gallons per minute
-4 gallons per minute
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the average rate of change?
The average rate of change is the change in the value of a function divided by the change in the input value over a specific interval.
The average rate of change is the total change in a function's value over its entire domain.
The average rate of change is the instantaneous rate of change at a specific point.
The average rate of change is the difference between the maximum and minimum values of a function.
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the slope of a line?
The slope of a line is the ratio of the rise (change in y) to the run (change in x).
The slope of a line is the distance between two points on the line.
The slope of a line is the angle it makes with the x-axis.
The slope of a line is the average of the y-coordinates of the points on the line.
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