Answer Happy

The following scenario is for the following questions in this quiz: Life expectancies in the US are always rising. The rate of change (measured at the end of each year) of life expectancies for women in the US between 1970 and 2010 can be modeled by f(t)= 0.0004t² -0.022t+0.36 years per year, where t is the number of years since 1970.
What is the interpretation of ✓ [Select] Between 2010 and 2050 On 2050 On 2010 * f. f Between 1970 and 2010 Every 40 years since 1970 f(t) dt in this context? [Select] [Select]
What is the interpretation of [Select] 40 6.40 + f(t) dt in this context? f(t) dt [Select] ✓ [Select] the life expectancy for women in the US the rate of change of the average age of women in the US the average age of women in the US the rate of change of the life expectancy for women in the US
What is the interpretation of [Select] 40 5.4⁰ f(t) dt [Select] V f(t) dt in this context? [Select] ✓[Select increased by equals to decreased by
What is the interpretation of [Select] +40 f(t) d 40 $1.0⁰ f(t) dt in this context? ✓ [Select] years old years per year years [Select] [Select]
Given the accumulation function 4 (2) = f(t) dt. In this context, what does it represent? ✓ [Select] lect ] On year 1970+x Between year 2010 and year 2010+x ect] On year 2010+x Between year 1970 and year 1970+x [Select]
Given the accumulation function 4 (z) = ª* f(t) dt. In this context, what does it represent? [Select] [Select] [Select the rate of change of the average age of women in the US the life expectancy for women in the US the average age of women in the US the rate of change of the life expectancy for women in the US
Given the accumulation function A (z) = f(t) dt. In this context, what does it represent? [Select] [Select] V [Select] [Select] ✓ [Select decreased by equals to increased by
Given the accumulation function A (a) = f(t) dt. In this context, what does it represent? [Select] ✓ [Select] X A(x) f(x)-f(0) f(x) [Select] [Select] [Select]
Given the accumulation function 4 (2) = f* f(t) dt. In this context, what does it represent? [Select] [Select] V [Select] ✓ [Select] years years per year years old [Select]