For the years after 1965, the percent of people who say they trust the government always or most of the time can be approximated by y = 154 x0.5 where x is the number of years after 1960. (a) Express this equation with radical notation. y=154x(12)
For the years after 1965, the percent of people who say they trust the government always or most of the time can be approximated by y = 154 x0.5 where x is the number of years after 1960. (a) Express this equation with radical notation. y=154x(12)
Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 6ECP: The resistance of a copper wire carrying an electrical current is directly proportional to its...
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Question
For the years after 1965, the percent of people who say they trust the government always or most of the time can be approximated by
y =
154 |
x0.5 |
where x is the number of years after 1960.
(a)
Express this equation with radical notation.
y=154x(12)
(b)
For the year 2025, what does this equation estimate as the percentage of people who say they trust the government always or most of the time? (Round your answer to one decimal place.)
%
(c)
What does this equation estimate as the change in percentage points during the decade from 1970 to 1980? (Round your answer to one decimal place.)
%
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