Major Competitive Exams

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Q. If F = [[2, 0], [0, 3]], what is det(F)? (2020)
  • A. 0
  • B. 6
  • C. 5
  • D. 2
Q. If F = [[2, 1, 3], [1, 0, 2], [0, 1, 1]], what is det(F)? (2023)
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Q. If F = [[2, 1, 3], [1, 0, 2], [3, 1, 1]], find det(F). (2022)
  • A. -4
  • B. 4
  • C. 0
  • D. 8
Q. If F = [[2, 1, 3], [1, 0, 2], [3, 4, 1]], find det(F). (2022)
  • A. -10
  • B. 10
  • C. 0
  • D. 5
Q. If F = [[2, 1], [1, 3]], what is the value of det(F)? (2022)
  • A. 5
  • B. 6
  • C. 7
  • D. 8
Q. If F = {1, 2, 3, 4}, how many subsets of F contain the element 1?
  • A. 4
  • B. 8
  • C. 6
  • D. 2
Q. If F = {1, 2, 3, 4}, what is the number of proper subsets of F?
  • A. 4
  • B. 8
  • C. 15
  • D. 16
Q. If F = {1, 2, 3}, what is the number of elements in the power set of F?
  • A. 3
  • B. 4
  • C. 6
  • D. 8
Q. If F = {a, b, c}, how many subsets contain exactly 2 elements?
  • A. 3
  • B. 4
  • C. 2
  • D. 1
Q. If F = {x | x is an even number between 1 and 10}, what is F?
  • A. {2, 4, 6, 8}
  • B. {1, 3, 5, 7, 9}
  • C. {2, 4, 6, 8, 10}
  • D. {0, 2, 4, 6, 8}
Q. If F = {x, y, z}, what is the size of the power set of F?
  • A. 3
  • B. 6
  • C. 8
  • D. 12
Q. If F = {x, y}, how many subsets of F are there that do not contain 'y'?
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Q. If F is to the left of G and H is to the right of F, which of the following must be true?
  • A. G is to the right of H
  • B. F is to the left of H
  • C. H is to the left of G
  • D. G is to the left of F
Q. If f(x) = 1/(x-1), what is the point of discontinuity?
  • A. x = 0
  • B. x = 1
  • C. x = -1
  • D. x = 2
Q. If f(x) = 2x + 3, what is f(4)?
  • A. 8
  • B. 11
  • C. 12
  • D. 10
Q. If f(x) = 2x + 3, what is f(5)?
  • A. 10
  • B. 13
  • C. 15
  • D. 8
Q. If f(x) = 2x^2 + 3x - 5, what is f(-1)?
  • A. -4
  • B. -2
  • C. 0
  • D. 2
Q. If f(x) = 2x^2 - 3x + 1, what is f(2)?
  • A. 1
  • B. 3
  • C. 5
  • D. 7
Q. If f(x) = 2x^3 - 9x^2 + 12x, find the intervals where f(x) is increasing.
  • A. (-∞, 1)
  • B. (1, 3)
  • C. (3, ∞)
  • D. (0, 2)
Q. If f(x) = 2^x, what is f(3)?
  • A. 6
  • B. 8
  • C. 9
  • D. 10
Q. If f(x) = 3x + 2, what is the value of f(1) and is it continuous?
  • A. 5, Continuous
  • B. 5, Not Continuous
  • C. 3, Continuous
  • D. 3, Not Continuous
Q. If f(x) = 3x + 2, what is the value of f(2) and is it continuous?
  • A. 8, Continuous
  • B. 8, Discontinuous
  • C. 7, Continuous
  • D. 7, Discontinuous
Q. If f(x) = 3x - 4, find f(-2).
  • A. -10
  • B. -8
  • C. -6
  • D. -4
Q. If f(x) = 3x - 4, what is f(-2)?
  • A. -10
  • B. -8
  • C. -6
  • D. -4
Q. If f(x) = 3x - 4, what is the inverse function f^(-1)(x)?
  • A. (x + 4)/3
  • B. 3x + 4
  • C. 3(x - 4)
  • D. x/3 + 4
Q. If f(x) = 3x - 5, what is f(f(1))?
  • A. -2
  • B. 1
  • C. 4
  • D. 7
Q. If f(x) = 3x^2 + 2x - 5, what is f(1)?
  • A. 0
  • B. 1
  • C. 2
  • D. -5
Q. If f(x) = 3x^2 + 2x, what is f'(2)? (2023)
  • A. 10
  • B. 14
  • C. 12
  • D. 8
Q. If f(x) = 4x^3 - 2x^2 + x, what is f''(x)?
  • A. 24x - 4
  • B. 12x - 2
  • C. 12x - 4
  • D. 24x - 2
Q. If f(x) = 5x^2 + 3x - 1, what is f''(x)? (2020)
  • A. 10
  • B. 5
  • C. 0
  • D. 3
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