Practice 04-11-22

Is this mapping a function or not a function? 

• Function
• Not a Function 

Is this graph a function or not a function? 

• Function
• Not a Function

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

• D: {1, -3, -4,}
  R: {0, 1, 2, -4}
• D:{-4, 0, 1, 2}
  R:{-4, -3, 1}
• D:{0, 1, 2, 3, 4}
  R:{1, -3, -4}

Which among the following is a function?

• 
• 
• 
• All of the above

If f(x)=6x²-4,
what is f(-1)?

• -2
• 13
• 2
• 0

If f(x)=6x²-4,
what is f(-1)?

• -2
• 13
• 2
• 0

Simplify:

• 9n³ + 4n
• 7n³ + 6
• -3n³ + 2
• 7n⁶ + 6

Find the difference. 
(3- 2x + 2x²) - (4x -5 +3x²)

• x_² + 6x + 8
• 2x² + 5x - 7
• -x² -6x + 8
• -2x² + 11x - 4

Find the Product.

(2n + 3)(2n + 1)

• 4n² + 8n + 3

• 4n² - 8n - 3

• 4n+ 8n + 3

• 4n² - 8n + 3

Divide:

(4x² - 24x + 35) / (2x - 5)

• 2x - 7

• 2x - 12

• 2x + 12

• 2x + 7