Solve the problem.In 1990, the population of a country was estimated at 4 million. For any subsequent year the population, P(t) (in millions), can be modeled by the equation 
where t is the number of years since 1990. Estimate the year when the population will be 21 million.
A. approximately the year 2016
B. approximately the year 2093
C. approximately the year 2088
D. approximately the year 2041
Answer: B
You might also like to view...
Use the prime factorization method to find the LCM of the given numbers.6, 12, and 22
A. 22 B. 264 C. 132 D. 1584
The Institute finds that the average student taking Elementary Shorthand will progress at a rate given by
?
?
in a 30-wk course, where Q(t) measures the number of words of dictation a student can take per minute after t wk in the course. If the average student can take 40 words of dictation per minute after 15 wk in the course, how many words per minute can the average student take after completing the course?
?
Round the answer to the nearest word.
?
__________ words
Fill in the blank(s) with the appropriate word(s).
Identify the equation as a parabola, ellipse, or circle.4x2 - y = 9
A. Ellipse B. Parabola C. Circle D. None of the above
Factor the difference of two squares.x2 - 144
A. (x + 12)(x - 12) B. (x - 12)2 C. (x + 12)2 D. prime