Multiple Choice Question: Let $f(x)=\sin x - \cos x$. Find the 2021st derivative of $f$.

More Old MCQ

Orphaned Multiple Choice Questions (MCQ) due to changes of exam system.

A sector of a circle with radius 10 cm has a central angle of 120°. Find the arc length of the sector.
Suppose a population is normally distributed with a mean of 24.6 and a standard deviation of 1.3. What percentage of data will lie between 25.3 and 26.8?
A truth serum given to a suspect is known to be 90% reliable when the person is guilty and 99% reliable when the person is innocent.
Fred is more popular than Pete. Together they have 66 friends but Fred has 6 fewer than the square of the number that Pete has. How many friends does Fred have?
Solve for x if ln (x + 1) = 1 + ln x.
A and B run a 1.5-kilometer race. In the first heat, A gives B a start of 11 meters and beats him by 57 seconds. In the second heat, A gives B a start of 81 seconds and is beaten by 88 meters. Find the rate of A in km/hr.
Line AB has point A(4, 5) and point B(-3, -2). Find point C along line AB if distance BC is three times the distance AC.
A man made P2,500 quarterly payment to an account earning 1.5% monthly. Find the accumulated amount after 10 years.
Solve for x if $5^{x^2} = 625$.
Simplify $2\sqrt{8x^3} + 3x\sqrt{32x} - x\sqrt{18x}$
What is the value of 0.727272 in fraction?
A right spherical triangle ABC of a sphere of radius 50 cm has angle C = 90 deg, A = 56 deg and side b = 47 deg. Find the area of the triangle in square centimeter.
One number is 25 greater than a second number. If the lesser number is subtracted from 3 times the greater number, the difference is 195. Find the product of two numbers.
A dog is tied with a chord 3 m long to the edge of a circular tank 8 m in diameter. The point where the cord is attached to the tank is at the same elevation as the dog’s collar. Determine the total area about which the dog can move, in square meter...
Find the probability that somebody is healthy given that they have positive test result?