Tangent Lines In Exercises 35-38, graph the curves over the given intervals, together with their tangent lines at the given values of x . Label each curve and tangent line with its equation. y = tan x , − π / 2 < x < π / 2 x = − π / 3 , 0 , π / 3
Tangent Lines In Exercises 35-38, graph the curves over the given intervals, together with their tangent lines at the given values of x . Label each curve and tangent line with its equation. y = tan x , − π / 2 < x < π / 2 x = − π / 3 , 0 , π / 3
Solution Summary: The author explains that the derivative of a function at the point on the graph is also the slope of the tangent at that point.
In Exercises 35-38, graph the curves over the given intervals, together with their tangent lines at the given values of x. Label each curve and tangent line with its equation.
y
=
tan
x
,
−
π
/
2
<
x
<
π
/
2
x
=
−
π
/
3
,
0
,
π
/
3
1. A bicyclist is riding their bike along the Chicago Lakefront Trail. The velocity (in
feet per second) of the bicyclist is recorded below. Use (a) Simpson's Rule, and (b)
the Trapezoidal Rule to estimate the total distance the bicyclist traveled during the
8-second period.
t
0 2
4 6 8
V
10 15
12 10 16
2. Find the midpoint rule approximation for
(a) n = 4
+5
x²dx using n subintervals.
1° 2
(b) n = 8
36
32
28
36
32
28
24
24
20
20
16
16
12
8-
4
1
2
3
4
5
6
12
8
4
1
2
3
4
5
6
=
5 37
A 4 8 0.5
06
9
Consider the following system of equations, Ax=b :
x+2y+3z - w = 2
2x4z2w = 3
-x+6y+17z7w = 0
-9x-2y+13z7w = -14
a. Find the solution to the system. Write it as a parametric equation. You can use a
computer to do the row reduction.
b. What is a geometric description of the solution? Explain how you know.
c. Write the solution in vector form?
d. What is the solution to the homogeneous system, Ax=0?
Chapter 3 Solutions
University Calculus: Early Transcendentals, Single Variable, Loose-leaf Edition (4th Edition)
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