For the given function determine the following: f (x) = (sin x +
cos x) 2 ; [−π,π] a) Find the intervals where f(x) is increasing,
and decreasing b) Find the intervals where f(x) is concave up, and
concave down c) Find the x-coordinate of all inflection points
f (x) = -0.248226*cos (2 x) - 0.0184829*cos ((2+2)x) -
0.0594608*cos(x)*sin(x) + 0.123626*sin ((2+2)x).
The intervall is ]0, 3/2[
What is the local maximum and local minimum? Answer with 5
decimals
Consider the function on the interval (0, 2π). f(x) = sin(x)/ 2
+ (cos(x))^2 (a) Find the open intervals on which the function is
increasing or decreasing. (Enter your answers using interval
notation.) increasing decreasing (b) Apply the First Derivative
Test to identify the relative extrema. relative maximum (x, y) =
relative minimum (x, y) =
Consider the function on the interval (0, 2π).
f(x) = sin(x) cos(x) + 2
(a) Find the open interval(s) on which the function is
increasing or decreasing. (Enter your answers using interval
notation.)
increasing
( )
decreasing
( )
(b) Apply the First Derivative Test to identify all relative
extrema.
relative maxima
(x, y) =
(smaller x-value)
(x, y) =
( )
(larger x-value)
relative minima
(x, y) =
(smaller x-value)
(x, y) =
...
Let f(x) = sin(x) for -pi < x < pi and be ZERO outside
this interval
a. Find the Fourier Transformation. Plot on Desmos.
b. Find the Fourier Integral representation of f(x). Plot on Desmos
using
reasonable limits of integration
Consider the function given as example in lecture: f(x, y) = (e
x cos(y), ex sin(y)) (6.2) Denote a = (0, π/3) and b = f(a). Let f
−1 be a continuous inverse of f defined in a neighborhood of b.
Find an explicit formula for f −1 and compute Df−1 (b). Compare
this with the derivative formula given by the Inverse Function
Theorem.