Match each function in column A with the most appropriate rule to use for differentiating the function. [ 1 . 5 , 1 . 6 ] Column B a. Extended Power Rule b. Product Rule c. Sum Rule d. Different Rule e. Power Rule f. Quotient Rule g ( x ) = x + 9
Match each function in column A with the most appropriate rule to use for differentiating the function. [ 1 . 5 , 1 . 6 ] Column B a. Extended Power Rule b. Product Rule c. Sum Rule d. Different Rule e. Power Rule f. Quotient Rule g ( x ) = x + 9
Match each function in column A with the most appropriate rule to use for differentiating the function.
[
1
.
5
,
1
.
6
]
Column B
a. Extended Power Rule
b. Product Rule
c. Sum Rule
d. Different Rule
e. Power Rule
f. Quotient Rule
g
(
x
)
=
x
+
9
With integration, one of the major concepts of calculus. Differentiation is the derivative or rate of change of a function with respect to the independent variable.
2.
if
limit.
Recall that a sequence (x(n)) CR2 converges to the limit x = R²
lim ||x(n)x|| = 0.
818
-
(i) Prove that a convergent sequence (x(n)) has at most one
[4 Marks]
(ii)
Give an example of a bounded sequence (x(n)) CR2 that
has no limit and has accumulation points (1, 0) and (0, 1) [3 Marks]
(iii) Give an example of a sequence (x(n))neN CR2 which is
located on the hyperbola x2 1/x1, contains infinitely many different
Total marks 10 points and converges to the limit x = (2, 1/2).
[3 Marks]
3. (i) Consider a mapping F: RN
Rm. Explain in your own words
the relationship between the existence of all partial derivatives of F and dif-
ferentiability of F at a point x = RN.
(ii)
[3 Marks]
Calculate the gradient of the following function f: R2 → R,
f(x) = ||x||3,
Total marks 10
where ||x|| = √√√x² + x/2.
[7 Marks]
1.
(i)
(ii)
which are not.
What does it mean to say that a set ECR2 is closed?
[1 Mark]
Identify which of the following subsets of R2 are closed and
(a)
A = [-1, 1] × (1, 3)
(b)
B = [-1, 1] x {1,3}
(c)
C = {(1/n², 1/n2) ER2 | n EN}
Provide a sketch and a brief explanation to each of your answers.
[6 Marks]
(iii) Give an example of a closed set which does not have interior
points.
[3 Marks]
Chapter 1 Solutions
Pearson eText Calculus and Its Applications, Brief Edition -- Instant Access (Pearson+)
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