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General Mathematics - Module 2 Rational Functions - Grade 11 Q1

Quiz by B16 Kelsea Maize

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15 questions
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  • Q1
    Your father is driving a car in going to work, which is 54 km away from your house. Express the speed of your father’s car as a function C(n) if it takes n minutes of travel from your house to his office.
    C(n) =  n/54

    C(n) = 54/n

    C(n ) = 54-n

    C(n) = 54n

    30s
  • Q2
    Is the function f(x)= 1/(x^√2) a rational function?

    Cornball

    False

    True

    Sometimes

    30s
  • Q3
    If a man can jog around the 400-meter oval in m minutes, the speed of the jogger can be expressed as a rational function f(m)=____________.

    400/m

    400m^2

    m/400

    400m

    30s
  • Q4

    Which of the following is not a rational function?

    f(x) = (x - 2)/(x +5)

    f(x) = (3x  +8)/(x^2 +2x +5)

    f(x) = 2x/(x - 5)

    f(x) = √(3x +2)/2x

    30s
  • Q5
    Use a rational function to express your speed in walking (n minutes) while going to school, which is 400 meters away from your house.

    f(n) = 400/n

    f(n) = 400 – n

    f(n) = n/400

    f(n) = √(400-n)

    30s
  • Q6

    This is a:

    Question Image

    Rational Equality

    Rational Expression

    Rational Inequality

    Rational Function

    30s
  • Q7

    This is a:

    Question Image

    Rational Function

    Rational Inequality

    Rational Expression

    Rational Equation

    30s
  • Q8

    This is a:

    Question Image

    Rational Inequality

    Rational Expression

    Rational Function

    Rational Equation

    30s
  • Q9

    What form is this?

    Question Image

    Rational Equation

    Rational Function

    Rational Expression

    Rational Inequality

    30s
  • Q10

    Which of the following shows rational function?

    (x+1)/2x = 5

    2x  ≥ x –1

    2x + 3 < 10

    y = 2x/(x^2 -9)
    30s
  • Q11

    Find the solution of the rational inequality:

    Question Image

    (-3,9]

    -9 ≤ x < 3

    -3 ≤ x < 9

    (-3,9)

    30s
  • Q12

    Solve the inequality:

    Question Image

    ( -∞, -5) Ս (-4,4 )

    (-∞, -5) Ս (4, ∞)

    ( -∞, -5) Ս (-4, ∞)

    (5, ∞) Ս (-4,4 )

    30s
  • Q13

    Determine where the numerator and denominator are zeroes for the rational inequality:

    Question Image

    1 and -5

    -1 and -5

    -1 and 5

    1 and 5

    30s
  • Q14

    Find the solution of the rational inequality:

    Question Image

    (−∞,0)∪(7,∞)

    (−∞,-7)∪(7,∞)

    (−∞,-7)∪(0,∞)

    (−∞,0)∪(-7,∞)

    30s
  • Q15

    Solve the rational inequality and write the solution set in interval notation:

    Question Image

    (−∞,0)∪(10,∞)

    (−∞,−0.1)∪(0,∞)

    (−∞,)∪(0.1,∞)

    (−∞,−10)∪(0,∞)

    30s

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