Use a calculator with a y x key or a ∧ key to solve Exercises 65-70. India is currently one of the world's fastest-growing countries. By 2040, the population of India will be larger than the population of China; by 2050, nearly one-third of the world’s population will live in these two countries alone. The exponential function f(x) ⋅ ⋅ 574(1.026) r models the population of India, f(x) . in millions, x years after 1974. a. Substitute 0 for x and, without using a calculator, find India’s population in 1974. b. Substitute 27 for x and use your calculator to find India's population, to the nearest million, in the year 2001 as modeled by this function. c. Find India’s population, to the nearest million, in the year 2028 as predicted by this function. d. Find India's population, to the nearest million, in the year 2055 as predicted by this function. c. What appears to be happening to India's population every 27 years?
Use a calculator with a y x key or a ∧ key to solve Exercises 65-70. India is currently one of the world's fastest-growing countries. By 2040, the population of India will be larger than the population of China; by 2050, nearly one-third of the world’s population will live in these two countries alone. The exponential function f(x) ⋅ ⋅ 574(1.026) r models the population of India, f(x) . in millions, x years after 1974. a. Substitute 0 for x and, without using a calculator, find India’s population in 1974. b. Substitute 27 for x and use your calculator to find India's population, to the nearest million, in the year 2001 as modeled by this function. c. Find India’s population, to the nearest million, in the year 2028 as predicted by this function. d. Find India's population, to the nearest million, in the year 2055 as predicted by this function. c. What appears to be happening to India's population every 27 years?
Solution Summary: The author explains how to calculate the population of India in 1974 when the function for increase in population after x years from 1974 is f(x)=574
Use a calculator with a
y
x
key or a
∧
key to solve Exercises 65-70.
India is currently one of the world's fastest-growing countries. By 2040, the population of India will be larger than the population of China; by 2050, nearly one-third of the world’s population will live in these two countries alone. The exponential function f(x)
⋅
⋅
574(1.026)r models the population of India, f(x). in millions, x years after 1974.
a. Substitute 0 for x and, without using a calculator, find India’s population in 1974.
b. Substitute 27 for x and use your calculator to find India's population, to the nearest million, in the year 2001 as modeled by this function.
c. Find India’s population, to the nearest million, in the year 2028 as predicted by this function.
d. Find India's population, to the nearest million, in the year 2055 as predicted by this function.
c. What appears to be happening to India's population every 27 years?
Use Euler's method to numerically integrate
dy
dx
-2x+12x² - 20x +8.5
from x=0 to x=4 with a step size of 0.5. The initial condition at x=0 is y=1. Recall
that the exact solution is given by y = -0.5x+4x³- 10x² + 8.5x+1
Find an equation of the line tangent to the graph of f(x) = (5x-9)(x+4) at (2,6).
Find the point on the graph of the given function at which the slope of the tangent line is the given slope.
2
f(x)=8x²+4x-7; slope of the tangent line = -3
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