Major Competitive Exams

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Q. If f(x) = x^3 - 3x^2 + 4, then the local maxima and minima occur at which of the following points?
  • A. (0, 4)
  • B. (1, 2)
  • C. (2, 2)
  • D. (3, 4)
Q. If f(x) = x^3 - 3x^2 + 4, then the local maxima occurs at which point?
  • A. x = 0
  • B. x = 1
  • C. x = 2
  • D. x = 3
Q. If f(x) = x^3 - 3x^2 + 4, then the local maxima occurs at x = ?
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Q. If f(x) = x^3 - 3x^2 + 4, what is f'(2)? (2020)
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Q. If f(x) = x^3 - 4x + 1, what is f''(x)? (2023)
  • A. 6x - 4
  • B. 6x + 4
  • C. 3x^2 - 4
  • D. 3x^2 + 4
Q. If f(x) = x^3 - 6x^2 + 9x, find the critical points.
  • A. (0, 0)
  • B. (3, 0)
  • C. (2, 0)
  • D. (1, 0)
Q. If f(x) = x^3 - 6x^2 + 9x, find the inflection point. (2023)
  • A. (1, 4)
  • B. (2, 0)
  • C. (3, 0)
  • D. (0, 0)
Q. If f(x) = x^4 - 2x^3 + x, what is f'(1)? (2023)
  • A. 2
  • B. 1
  • C. 0
  • D. 3
Q. If f(x) = x^4 - 4x^3 + 6x^2 - 4x + 1, find f'(1).
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Q. If f(x) = x^4 - 4x^3 + 6x^2 - 4x + 1, find f'(2).
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Q. If f(x) = x^4 - 4x^3 + 6x^2 - 4x + 1, what is f'(1)?
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Q. If f(x) = x^4 - 4x^3 + 6x^2, find f'(2).
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Q. If f(x) = x^4 - 4x^3 + 6x^2, what is f'(2)? (2019)
  • A. 0
  • B. 4
  • C. 8
  • D. 16
Q. If f(x) = x^4 - 4x^3, find f'(2). (2023)
  • A. 0
  • B. 8
  • C. 16
  • D. 32
Q. If f(x) = x^4 - 4x^3, what is f'(2)? (2019)
  • A. 0
  • B. 8
  • C. 16
  • D. 12
Q. If f(x) = x^4 - 8x^2 + 16, then the points of inflection are at:
  • A. x = 0
  • B. x = ±2
  • C. x = ±4
  • D. x = 2
Q. If f(x) = x^4 - 8x^2 + 16, what is the minimum value of f(x)? (2023)
  • A. 0
  • B. 4
  • C. 8
  • D. 16
Q. If f(x) = { 2x + 3, x < 0; kx + 1, x >= 0 } is continuous at x = 0, what is the value of k?
  • A. -3/2
  • B. 1/2
  • C. 3/2
  • D. 2
Q. If f(x) = { x^2 + 1, x < 0; k, x = 0; 2x + 1, x > 0 } is continuous at x = 0, what is k?
  • A. 1
  • B. 0
  • C. 2
  • D. 3
Q. If f(x) = { x^2 + 1, x < 0; k, x = 0; 2x + 1, x > 0 }, what value of k makes f continuous at x = 0?
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Q. If f(x) = { x^2 + 1, x < 0; k, x = 0; 2x, x > 0 }, for f(x) to be continuous at x = 0, k must be:
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Q. If f(x) = { x^2 + 1, x < 0; kx + 2, x = 0; 3 - x, x > 0 is continuous at x = 0, find k.
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Q. If f(x) = { x^2 + 1, x < 0; kx + 3, x = 0; 2x - 1, x > 0 is continuous at x = 0, find k.
  • A. -1
  • B. 0
  • C. 1
  • D. 2
Q. If f(x) = { x^2, x < 0; 2x + 3, x >= 0 }, find f(0).
  • A. 0
  • B. 3
  • C. 1
  • D. undefined
Q. If f(x) = { x^2, x < 0; kx + 1, x >= 0 } is differentiable at x = 0, what is k?
  • A. -1
  • B. 0
  • C. 1
  • D. 2
Q. If f(x) = { x^2, x < 0; kx + 1, x = 0; 2x + 3, x > 0 is continuous at x = 0, find k.
  • A. -1
  • B. 0
  • C. 1
  • D. 2
Q. If f(x) = { x^2, x < 1; kx + 1, x >= 1 } is continuous at x = 1, find k.
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Q. If f(x) = { x^2, x < 2; 4, x = 2; 2x, x > 2 } is continuous at x = 2, what is the value of f(2)?
  • A. 2
  • B. 4
  • C. 3
  • D. 5
Q. If f(x) = { x^2, x < 3; k, x = 3; 2x, x > 3 } is continuous at x = 3, what is the value of k?
  • A. 3
  • B. 9
  • C. 6
  • D. 0
Q. If f(x) = { x^2, x < 3; k, x = 3; 3x - 2, x > 3 } is continuous at x = 3, what is k?
  • A. 7
  • B. 9
  • C. 8
  • D. 6
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