The graph shows the average monthly cellular phone bill since 1987. The slope of the curve at point A is -0.23 Average bill (dollars) 95 32 I Year 2001 1999 1990 1993 1996 (a) What should be the units on the slope at point A? years dollars years per dollar dollars per year (b) How rapidly was the dollar amount growing in 1993? The dollar amount was not growing The dollar amount was increasing by $0.23 per year The dollar amount was decreasing by $0.23 per year. cannot be determined (c) What is the slope of the tangent line at point A? -Select (d) What is the instantaneous rate of change of the amount at point A? ---Select
The graph shows the average monthly cellular phone bill since 1987. The slope of the curve at point A is -0.23 Average bill (dollars) 95 32 I Year 2001 1999 1990 1993 1996 (a) What should be the units on the slope at point A? years dollars years per dollar dollars per year (b) How rapidly was the dollar amount growing in 1993? The dollar amount was not growing The dollar amount was increasing by $0.23 per year The dollar amount was decreasing by $0.23 per year. cannot be determined (c) What is the slope of the tangent line at point A? -Select (d) What is the instantaneous rate of change of the amount at point A? ---Select
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter2: Functions And Graphs
Section2.3: Linear Functions And Slope
Problem 89E: Rage of decrease The price of computers has been dropping steadily for the past ten years. If a...
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Transcribed Image Text:The graph shows the average monthly cellular phone bill since 1987. The slope of the curve at point A is -0.23
Average bill
(dollars)
95
32
I Year
2001
1999
1990
1993
1996
(a) What should be the units on the slope at point A?
years
dollars
years per dollar
dollars per year
(b) How rapidly was the dollar amount growing in 1993?
The dollar amount was not growing
The dollar amount was increasing by $0.23 per year
The dollar amount was
decreasing by $0.23 per year.
cannot be determined
(c) What is the slope of the tangent line at point A?
-Select
(d) What is the instantaneous rate of change of the amount at point A?
---Select
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