Function

Figure given defines a function f from A = {a, b, c, d} into B = {r, s, t , u}. Which of the following are the images of all the functions?

• r, s, u

• r, s, t, u

• r, u

The function given is f (x) = 5x+3, find the value of f(8).

• 48

• 43

• 40

Identify the function that are both one-to-one and onto.

• 
• 
• 

Given function f, g, h and i are related to set A, set B and set C as shown in Figure 5. Find the inverse function of f.

• h

• f

• g

Choose the correct type of function shown in Figure given.
 i. One-to-One Function

 ii. Onto Function

iii. Composite Function

 iv. Inverse Function

• i & ii

• i & iii

• i, ii, iii & iv

Given that g(x) = 8x + 5, find the object which has an image of 37.

• 2

• 3

• 4

Identify the TRUE statements regarding one-to-one function.

• A one-to-one function maps each element in the domain to exactly one element

       in the codomain    

• A one-to-one function can have multiple elements in the domain mapping to the

       Same element in the codomain

• A one-to-one function can be represented by a vertical line test.

Diberi fungsi ƒ(x) = 2x-3. Terangkan fungsi songsang ƒ^-1(x).

• ƒ^-1(x) = x - 3

         2

• ƒ^-1(x) = x+3

                      2          

• ƒ^-1(x) = x-3

              2

Choose an equation to represent the function from the Table 1                         

• y = 4x - 2
• y = 2x
• y = x + 2

Given 𝑓(𝑥) = 2𝑥 - 3 and 𝑔(𝑥) = 1 + x. Find fg(x):