β
23
Wrong Answers
π
8
Lucky Guesses
π
12
Too Slow
π
6
Unstable
π§ Concept Not Mastered
12 questions
If f(x) = β«βΛ£ (tΒ² - 4t + 3)dt, at what value of x does f have a relative minimum?
A particle moves with v(t) = 3tΒ² - 12t + 9. When does direction change from left to right?
π Lucky Guess
3 questions
What is the derivative of f(x) = sin(xΒ²)?
π Too Slow
2 questions
Find the area between y = xΒ² and y = 2x from x = 0 to x = 2.
π Unstable Knowledge
1 question
Evaluate lim(xβ0) sin(3x)/x