Differentiate the function:
.F(x)= x − 4x^2 / x^3.
is
a. F′(x)= 2 / x^3 − 4 / x^2
b.F′(x)= 3x^2 − 24x
c.F′(x)= − 2 / x^3 + 4 / x^2
d.F′(x)= 1 − 8x / 3x^2
A body of mass 25 kg moving at 3 m per second on a rough horizontal floor is brought to rest after sliding through a distance of 2.5 m on the floor. Calculate the coefficient of sliding friction (g=10.0ms-2)
The derivative of F(x) =12xe^6x
is
a.12e^6x (1 + x)
b.12e^6x (1+ 6x^2)
c.36e^6x (1+x)
d.12e^6x (1+6x)
Suppose, you want to get admitted into an English Language Course run by British Council. Now, write an e-mail to the manager for the details of the course.
1. Identify and analyse your audience in the scenario stated above. 2. Provide an appropriate e-mail invitation to your trainees inviting them to a virtual training on a given date and time. You may use any conference platform of your choice. 3. Design a workflow diagram to show the company's website review process. 4. Produce a concise technical report for the Director of ICT regarding the company website review project. 5. Produce a memo to submit the technical report in (4) above.
Which is the instructional term(s) in the following information task?
“Explain the impact the POPI Act 4 of 2013 will have on the way business will have to collect and process data. Discuss the consequences if a business fails to comply.”
a.
POPI Act 4 of 2013
b.
Explain; discuss
c.
Impact; business
d.
Collect; process
Using a library is a good research strategy, because libraries …
a.
have books on specific topics
b.
have handouts explaining how to get books on interlibrary loans
c.
use a catalogue to describe sources
d.
provide high-quality and verified resources
Intellectual property, copyright and plagiarism refer to the …
a.
South African Act of Access to Information
b.
Application of academic writing skills
c.
Ethical use of information
d.
Act on Protection of Personal Information
A biography is:
a.
A list of countries
b.
A list of information sources
c.
An index of subjects
d.
Someone’s life story
Which word(s) or concept(s) in the following topic provide you with the key to what must be discussed in the task? “In an essay of 1200 words, explain why South Africa needs more social workers to play a role in combatting AIDS in rural areas in particular.”
a.
Essay of 1200 words
b.
Play; combat
c.
AIDS; social workers
d.
Explain