quiz3

   The set of images of  the elements of the domain of the function is called …………........

• domain

• codomain

• range

• rule

• x

• y

• x×y

• y×x

1)    The function ℱ(Χ)=  - 2x²  + 7 is a polynomial function of the ………..…… degree

• first

• second

• third

• fourth

    The function ℱ(Χ)=  x² (x² + 3)is a polynomial function of the ………..…….. degree

• first

• second

• third

• fourth

    If the function F(Χ)= x²  -  √2X , then F( √2)= …………………………………………...

• 2

• 4

• 0

• √2

  If ℱ (X + 3) = X – 3 , then ℱ(5)= ……………………..

• 5

• 2

• 1

• -1

  If ℱ (X) = KX + 6 , ℱ(3)= 0 ,then K = ……………………..

• 2

• -2

• 3

• -3