Approximation (a) Find lim x → 0 1 − cos x x 2 . (b) Use your answer to part (a) to device the approximation cos x ≈ 1 − 1 2 x 2 for x near 0. (c) Use your answer to part (b) to approximate cos(0.1). (d) Use a calculator to approximate cos(0.1) to four decimal places. Compare the result with part (c).
Approximation (a) Find lim x → 0 1 − cos x x 2 . (b) Use your answer to part (a) to device the approximation cos x ≈ 1 − 1 2 x 2 for x near 0. (c) Use your answer to part (b) to approximate cos(0.1). (d) Use a calculator to approximate cos(0.1) to four decimal places. Compare the result with part (c).
Solution Summary: The author explains the value of the limit undersetxto 0mathrmlim
After a great deal of experimentation, two college senior physics majors determined that when a bottle of French champagne is shaken several times, held upright, and uncorked,
its cork travels according to the function below, where s is its height (in feet) above the ground t seconds after being released.
s(t)=-16t² + 30t+3
a. How high will it go?
b. How long is it in the air?
+6x²+135x+1) (0≤x≤10). a) Find the number of units
The total profit P(x) (in thousands of dollars) from a sale of x thousand units of a new product is given by P(x) = In (-x²+6x² + 135x+
that should be sold in order to maximize the total profit. b) What is the maximum profit?
The fox population in a certain region has an annual growth rate of 8 percent per year. It is estimated that the
population in the year 2000 was 22600.
(a) Find a function that models the population t years after 2000 (t = 0 for 2000).
Your answer is P(t)
=
(b) Use the function from part (a) to estimate the fox population in the year 2008.
Your answer is (the answer should be an integer)
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