CSEC Functions 001

Which of the following represents a functions?

• 
• 
• 
• 

The straight line AB cuts the y axis at

• (0,3)

• (0,2)

• (0,-2)

• (3,-2)

The gradient of AB is

• -2

• 2

• $\frac{1}{2}$

• $-\frac{1}{2}$

What is the gradient of the straight line

 $2y=-3x-8$  

• -3

•  $-\frac{3}{2}$  

• 2

• 3

Given {(0,1) (2,3) (4,5) (6,7)}. State the domain.

• {0, 1, 2, 3, 4, 5, 6, 7}

• {0, 2, 4, 6}

• {1, 3, 5, 7}

• { }