1. The price of tomatoes went from $1.12 per lb to $1.96 per lb over 3 years. Find the average rate of change of the price of to
matoes.
A. $0.85 per lb per year
B. $0.66 per lb per year
C. $0.62 per lb per year
D. $0.28 per lb per year
2. The graph represents Jason's speed on a recent trip. For which time period is his rate of change constant?
A. between 0 and 5 minutes
B. between 5 and 10 minutes
C. between 10 and 20 minutes
D. between 20 and 25 minutes
A. $0.85 per lb per year
B. $0.66 per lb per year
C. $0.62 per lb per year
D. $0.28 per lb per year
2. The graph represents Jason's speed on a recent trip. For which time period is his rate of change constant?
A. between 0 and 5 minutes
B. between 5 and 10 minutes
C. between 10 and 20 minutes
D. between 20 and 25 minutes
1 answer:
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Given :
An equation, 2cos ß sin ß = cos ß .
To Find :
The value for above equation in (0, 2π ] .
Solution :
Now, 2cos ß sin ß = cos ß
2 sin ß = 1
sin ß = 1/2
We know, sin ß = sin (π/6) or sin ß = sin (5π/6) in ( 0, 2π ] .
Therefore,
Hence, this is the required solution.