Evaluation of Functions Grade 11 (1)

Which of the following is the domain of a set {(0, 1), (1, 2), (3, 3), (5, 3)}.

• (1, 3, 5)

• (0, 1, 3, 3)

• (1, 2, 3)

• (0, 1, 3, 5)

Evaluate the function, $f(x)=2x^3-3x+1$  when x = -1 .

• - 2

• + 2

• + 6

• - 6

Evaluate the function, $q(x)=9^x$  when x = 0

•  $q\left(x\right)=9$  

•  $q\left(x\right)=0$  

•  $q\left(x\right)=1$  

•  $q\left(x\right)=81$  

Find the value of the function, f(x) = 2x – 1 when x = - 2.

• -3

• -5

• -1

• 1

Evaluate the value of a function given the value of x which is equal to 5,  $f(x)=x^2-4$  .

• 29

• 6

• 21

• 14

Tell whether it is a FUNCTION or NOT A FUNCTION, {(3,-2) , (4,-1) , (5,0) , (6,1) , (7,2)}

• FUNCTION

• NOT A FUNCTION

Tell whether it is a FUNCTION or NOT A FUNCTION, {(4,3) , (6,3) , (-8,3) , (8,10) , (10,-2)}

• FUNCTION

• NOT A FUNCTION

Tell whether it is a FUNCTION or NOT A FUNCTION, {(4,3) , (-4,-3) , (2,1) , (2,-1), (-5,3).

• FUNCTION

• NOT A FUNCTION

Which of the following is a graph of function.

• 
• 
• 

Evaluate the function, $t\left(x\right)=8-2x+x^2$ , using x = 1. 

•  $t\left(x\right)=11$  

•  $t\left(x\right)=7$  

•  $t\left(x\right)=6$  

•  $t\left(x\right)=10$