Functions and Trigonometry Quiz
17 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the range of the function f(x) = 2x^3 – 15x^2 + 36x + 1?

  • [0, 29]
  • [0, 30]
  • [1, 30]
  • [1, 29] (correct)
  • Let f(x) = x^3 + 3x^2 + 4x + bsinx + c cos x, x ∈ R. What can be said about the value of b^2 + c^2?

  • ≥ 2
  • None of these
  • ≥ 1 (correct)
  • ≤ 1
  • What type of function is f(x) = x, x ≥ -1?

  • One-one and onto (correct)
  • Onto but not one-one
  • One-one but not onto
  • Neither one-one nor onto
  • Let f(x) = sin(π[x]/2), x ∈ R. What type of function is f(x)?

    <p>Periodic</p> Signup and view all the answers

    What is the number of onto functions from E = {1, 2, 3, 4} to F = {1, 2}?

    <p>8</p> Signup and view all the answers

    Let f(x) = ax^2 + bx + c, x ∈ [0, 2]. If f is a bijective function, what is f(2)?

    <p>1</p> Signup and view all the answers

    Let f(x) = sin^(-1)x^2 + [{n{x}}] + tan^(-1) ( 3 + 2x^2 ), where [.] and {.} are G.I.F. and F.P.F. respectively. What is the number of integers in the range of f?

    <p>5</p> Signup and view all the answers

    If f : R → S defined by f(x) = sin x – 3 cos x + 1, is onto, then what is the interval of S?

    <p>[–1, 1]</p> Signup and view all the answers

    Let f(x) = sin([x]π) where [x] denotes the integral part of x. What is the nature of function f?

    <p>f is not one-one and non-constant</p> Signup and view all the answers

    The function f : [–1, 1] → [–π/2, π/2] defined by f(x) = sin^(-1)x is:

    <p>one-one onto</p> Signup and view all the answers

    Let f : R → R be a function such that f(x) = x^3 + x^2 + 3x + sin x. What is the nature of function f?

    <p>f is one-one and into</p> Signup and view all the answers

    Let f : N → N defined by f(x) = x^2 + x + 1, x ∈ N. What is the nature of function f?

    <p>one-one but not onto</p> Signup and view all the answers

    What is the domain of the function f(x) = 2x - x²?

    <p>(-∞, 0) ∪ [2, ∞)</p> Signup and view all the answers

    What is the domain of the function y = 2x + 1 / (x - 3x² + 2x³)?

    <p>(-∞, 1/2]</p> Signup and view all the answers

    What is the domain of the function f(x) = 1 / (x + x² - 2)?

    <p>(-∞, -1) ∪ [0, 2)</p> Signup and view all the answers

    What is the domain of the function f(x) = 7 - x - 7 / (1 - 5x)?

    <p>(-∞, 0) ∪ [2, 3]</p> Signup and view all the answers

    What is the domain of the function f(x) = 5 - x - 3 / log₀.₃(x - 1)?

    <p>(0, 1) ∪ (1, 2)</p> Signup and view all the answers

    Use Quizgecko on...
    Browser
    Browser