Pre Test in General Mathematics - Grade 11

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

• FUNCTION

• NOT FUNCTION

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)}  

• FUNCTION

• NOT FUNCTION

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)}  

• FUNCTION

• NOT FUNCTION

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

• 7

• 9

• 8

• 10

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

• 7

• 9

• 8

• 10

• 73

• 83

• 93

• 63

• -2

• -3

• -4

• -5

• 3

• 5

• 4

• 2

​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

​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