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25 questions
Identify the intervals where the function is positive and where it is negative.
positive (-1, ∞) and negative (-∞, -1)
positive nowhere and negative (-1, -4)
positive (-∞,-3) and (1,∞) and negative (-3,1)
positive (-∞,∞) and negative (-4,∞)
Where is the function increasing and where is it decreasing?
increasing nowhere and decreasing (-∞,∞)
increasing (-∞,1) and decreasing (1,∞)
increasing (3,∞) and decreasing (-∞,3)
increasing (-1,3) and decreasing nowhere
Where is the function positive and where is it negative?
positive (-∞,3) and negative (3,∞)
positive nowhere and negative (-∞,∞)
positive (0,1) and negative (3,0)
positive (0,3) and negative (-1,0)
What are the domain and the range of the function?
domain (-∞,∞) and range (-∞,∞)
domain (∞,-∞) and range (∞,-∞)
domain (-∞, 3] and range [3,∞)
domain (-∞,1] and range [1,∞)
A
B
C
D
Calculate the average rate of change from 20 to 40 minutes.
-2 minutes per gallon
-20 minutes per gallon
-2 gallons per minute
-20 gallons per minute
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