F.C.M. 2 - Quiz 1 F/T

If h(x) = 3 - 5x and g(x) = x - 4, then hg(- 2) =

• - 6

• 5

• 13

• 33

Given f(x) = 7 - x, what is the inverse of f(x) ?

• 7 - x

• 7 + x

• x - 7

• 7x + 1

•   Many-to-Many and Many-to-One

•  One-to-Many and Many-to-One

• One-to-One and Many-to-One

• One-to-One and One-to-many

• 13

• 14

• 12

• 15

Which of the following set of ordered pairs is a function?

• { (0, -1), (1, -1), (3, 5), (3, 8), (4, 5) }

• { (0, -1), (1, 2), (2, 5), (2, 8), (4, 8) }

• { (0, -1), (1, -1), (2, 2), (2, 5), (4, 5) }

• { (0, -1), (1, 2), (2, 8), (3, 8), (4, 5)

 $Given\ g(x)=3x-5,\ then\ g^{-1}\left(x\right)=$  

•  $g^{-1}\left(x\right)=\frac{x-5}{3}$  

•  $g^{-1}\left(x\right)=\frac{x+5}{3}$  

•  $g^{-1}\left(x\right)=\frac{x-3}{5}$  

•  $g^{-1}\left(x\right)=\frac{x+3}{5}$  

Which of the following statement is TRUE about f(x) = 5x² - 2x - 3 ?

• x = 0, y = 3

• x = -1, y = -6

• x = -1, y = 4

• x = 0, y = 0

Which of the following set of ordered pairs represents a many to one relation ?

• { (2, 7), (3, 7), (4, 7), (5, 7) }

• { (7, 2), (7, 3), (7, 4), (7, 5) }

• { (2, 2), (2, 3), (3, 4), (3, 5) }

• { (2, 2), (3, 3), (4, 5), (5, 6) }

Which of the following relation is a function?

• one to two relation

• one to many relation

• many to one relation

• many to many relation

Given h(x) = 5 - 3x, what is the value of x when h(x) = - 4 ?

• x = - 8

• x = - 3

• x = 7

• x = 17