Net area from graphs The accompanying figure shows four regions bounded by the graph of y = x sin x: R 1 , R 2 , R 3 , and R 4 , whose areas are 1, π − 1 , π + 1, and 2 π − 1, respectively. (We verify these results later in the text.) Use this information to evaluate the following integrals. 37. ∫ 0 π x sin x d x
Net area from graphs The accompanying figure shows four regions bounded by the graph of y = x sin x: R 1 , R 2 , R 3 , and R 4 , whose areas are 1, π − 1 , π + 1, and 2 π − 1, respectively. (We verify these results later in the text.) Use this information to evaluate the following integrals. 37. ∫ 0 π x sin x d x
Solution Summary: The author calculates the net area of the region bounded by the graph of f and the x -axis using the given figure.
Net area from graphsThe accompanying figure shows four regions bounded by the graph of y = x sin x: R1, R2, R3, and R4, whose areas are 1, π − 1, π + 1, and 2π − 1, respectively. (We verify these results later in the text.) Use this information to evaluate the following integrals.
(x)=2x-x2
2
a=2, b = 1/2, C=0
b) Vertex v
F(x)=ax 2 + bx + c
x=
Za
V=2.0L
YEF(- =) = 4
b
(글)
JANUARY 17, 2025
WORKSHEET 1
Solve the following four problems on a separate sheet. Fully justify your answers to
MATH 122
ล
T
earn full credit.
1. Let f(x) = 2x-
1x2
2
(a) Rewrite this quadratic function in standard form: f(x) = ax² + bx + c
and indicate the values of the coefficients: a, b and c.
(b) Find the vertex V, focus F, focal width, directrix D, and the axis of
symmetry for the graph of y = f(x).
(c) Plot a graph of y = f(x) and indicate all quantities found in part (b)
on your graph.
(d) Specify the domain and range of the function f.
OUR
2. Let g(x) = f(x) u(x) where f is the quadratic function from problem 1
and u is the unit step function:
u(x) = { 0
1 if x ≥0
0 if x<0
y = u(x)
0
(a) Write a piecewise formula for the function g.
(b) Sketch a graph of y = g(x).
(c) Indicate the domain and range of the function g.
X
фирм
where u is the unit step function defined in problem 2.
3. Let…
Question 1
"P3
Question 3: Construct the accessibility matrix Passociated with
the following graphs, and compute P2 and identify each at the
various two-step paths in the graph
Ps
P₁
P₂
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Numerical Integration Introduction l Trapezoidal Rule Simpson's 1/3 Rule l Simpson's 3/8 l GATE 2021; Author: GATE Lectures by Dishank;https://www.youtube.com/watch?v=zadUB3NwFtQ;License: Standard YouTube License, CC-BY