3.
Let f(x) = 0.8x3 + 1.9x2 - 2.7x+23 represent the number of people in a country
where x is...
Mathematics, 30.03.2021 03:00 bri6517
3.
Let f(x) = 0.8x3 + 1.9x2 - 2.7x+23 represent the number of people in a country
where x is the number of years after 1998 and f(x) represent the number of people in
thousands. Include units in your answer where appropriate.
(round to the nearest tenth if necessary)
a) How many people were there in the year 1998?
b) Find f(15)
c) x = 15 represents the year
Write a complete sentence interpreting f(19) in context to the problem
Answers: 1
Mathematics, 21.06.2019 18:00
In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?
Answers: 3
Mathematics, 22.06.2019 00:00
Percy rides his bike 11.2 miles in 1.4 hours at a constant rate. write an equation to represent the proportional relationship between the number of hours percy rides, x,and the distance in miles, y, that he travels.
Answers: 1
Mathematics, 22.06.2019 01:00
Pentagon abcde is dilated according to the rule do,3(x,y) to create the image pentagon a'b'c'd'e', which is shown on the graph. what are the coordinates of point a of the pre-image? a) (-1, 1)b) (-1, 2)c) (-9, 6)d) (-9, 18)
Answers: 3
Mathematics, 22.06.2019 01:20
Me i'm timed ! a. -2 to 1 b. -1.5 to 0.5c. 0 to 1d. 0.5 to 1.5
Answers: 2
Mathematics, 24.02.2021 15:00
History, 24.02.2021 15:00
English, 24.02.2021 15:00
English, 24.02.2021 15:00
Geography, 24.02.2021 15:00
Mathematics, 24.02.2021 15:00
History, 24.02.2021 15:00
Health, 24.02.2021 15:00