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10 questions
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  • Q1

    Tell whether a FUNCTION if the following represents a function and NOT FUNCTION if not : f = {(1, 2), (2, 2),(3, 5), (4,5)}

    Not Function

    Function

    30s
  • Q2

    Tell whether a FUNCTION if the following represents a function and NOT FUNCTION if not: g = {(1, 3), (1, 4), (2, 5), (2,6), (3, 7)}  

    Not Function

    Function

    30s
  • Q3

    Tell whether a FUNCTION if the following represents a function and NOT FUNCTION if not: H = {(1, 3), (2, 4), (3, 5), (3,6), (4, 7)}  

    Not Function

    Function

    30s
  • Q4

    Write YES if the given real-life situation is one-to-one function. Otherwise, write NO. 

    "The relation pairing a person to his or her blood type."

    Yes

    No

    Maybe

    30s
  • Q5

    Find the value of z if the given equation is 4z-8y+4=0 if y=5

    11

    8

    10

    9

    30s
  • Q6

    Find the value of x if the given equation is x=4y-5 if y=3.

    6

    9

    8

    7

    30s
  • Q7

    If f(x)=2x+1  and q(x)=x^2-2x+1. Solve the given composition of functions  denoted to:  (𝑓 ∘ 𝑞)(−5) .

    83

    63

    73

    93

    60s
  • Q8

    If f(x)=2x+1. Solve the given composition of functions  denoted to:

    (𝑓∘ 𝑓 )(−2).

    -6

    -3

    -5

    -4

    60s
  • Q9

    Find the height (m) of a cone if the total Volume is 21 cu.m and the given radius is 2m. (VOLUME OF CONE =  1/3  π r^2  h)

    4m

    5m

    9m

    7m

    60s
  • Q10

    Their sum, denoted by 𝑓 + 𝑔, is the function denoted by   (𝑓 + 𝑔)(𝑥) =𝑓(𝑥) + 𝑔(𝑥). Solve if 𝑓(𝑥) = 𝑥 + 4 and 𝑔(𝑥) = −2𝑥 − 15

    x-11

    x+11

    -x-11

    -x+11

    60s

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