Search Header Logo

Mathematics for Economics Cup

Authored by Valentino Risali

others

Used 5+ times

Mathematics for Economics Cup
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

    Content View

    Student View

9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Name of your lecturer is ...

Valentino Rizali

Valentino Risali

Valentoni Rizali

Valention Risali

2.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

Given an equation system: 2x+y=6 -3x+2y=4 The intersection is

(8/7, 26/7)
(-8/7, 26/7)
(26/7, 8/7)
(-26/7, 8/7)

3.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

Function f ‘(x)= -0.75x+3 is the first derivative of function f. Statements below are correct, EXCEPT

f attains maximum at x=4
f attains minimum at x=4
f is increasing on interval x ≤ 4
f is decreasing on interval x ≥ 4

4.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

Given a function g ‘(x)=|x-2| to be the first derivative of function g. Which of the following statements is incorrect?

The minimum value of g ‘(x) is 0
Function g is increasing on interval x>=0
Point x=2 is a saddle point
g attains maximum at x=2

5.

MULTIPLE SELECT QUESTION

3 mins • 15 pts

Given function f(x) = -3x^2+6x-5. Choose correct answer(s)

On interval [0,3], f attains maximum at x = 1
On interval [0,3], f attains minimum at x= 3
On interval [-1,0], f attains maximum at x= 0
On interval [4,5], f attains minimum at x= 4

6.

MULTIPLE SELECT QUESTION

2 mins • 15 pts

Media Image

Gambar grafik berikut, yaitu y'=f'(x)=0.25x^2(x-3)(x+2), merupakan turunan tingkat pertama dari fungsi y=f(x). Pilih semua pernyataan yang benar

f naik pada saat x<=-2 dan x>=3

f turun pada -2 <= x <=3

f mencapai titik minimum relatif pada titik x=3

f mencapai titik maximum relatif pada titik x=0

7.

MULTIPLE SELECT QUESTION

5 mins • 20 pts

Given a function h’(x)=(x-3)^2(x-1) to be the first derivative of function h. Choose correct answer(s)

x=3 is an inflection point
h attains minimum at x=1
h attains maximum at x=3
h is increasing when x < 1

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?