QMI1500
Elementary Quantitative Methods
Department of Decision Sciences
Assignment 02 for Semester 02 (compulsory)
Study material: Topics 4, 5 and 6 in the Study Guide
Unique Number 855771
Due: 31 August 2020
Question 1
Consider the graph of the function 𝑓(𝑥):
The statement that is not correct is
[1] 𝑓(𝑥) = −2 𝑎𝑡 𝑥 = 1.
[2] 𝑓(𝑥) = 0 𝑎𝑡 𝑥 = 4.
[3] 𝑓(𝑥) = −1 𝑎𝑡 𝑥 = 0.
[4] 𝑓(𝑥) = −2 𝑎𝑡 𝑥 = 3.
Answer:
𝑓(𝑥) = −1 𝑎𝑡 𝑥 = 0
𝑓(𝑥) = −1; 𝑥 = 2 𝑜𝑟 − 0.5
When 𝑥 = 0; 𝑓(𝑥) = −3
Elementary Quantitative Methods
Department of Decision Sciences
Assignment 02 for Semester 02 (compulsory)
Study material: Topics 4, 5 and 6 in the Study Guide
Unique Number 855771
Due: 31 August 2020
Question 1
Consider the graph of the function 𝑓(𝑥):
The statement that is not correct is
[1] 𝑓(𝑥) = −2 𝑎𝑡 𝑥 = 1.
[2] 𝑓(𝑥) = 0 𝑎𝑡 𝑥 = 4.
[3] 𝑓(𝑥) = −1 𝑎𝑡 𝑥 = 0.
[4] 𝑓(𝑥) = −2 𝑎𝑡 𝑥 = 3.
Answer:
𝑓(𝑥) = −1 𝑎𝑡 𝑥 = 0
𝑓(𝑥) = −1; 𝑥 = 2 𝑜𝑟 − 0.5
When 𝑥 = 0; 𝑓(𝑥) = −3
