MIDTERM EXAM - HE (RETAKE)

• 
• 
• 
• 

Which of the following relationship is a function?

• A teacher and his cellular phones.
• A student and his teaches.
• A jeepney and its plate number.
• A school and the teachers

Which of the following functions is equivalent to a rational function?

• 
• 
• 
• 

Which of the following graph represents a function?

• 
• 
• 
• 

• 
• 
• 
• 

Identify which of the given table represents a function.

• 
• 
• 
• 

Determine the mapping that represents a function.

• 
• 
• 
• 

Given that f(x) = 2x² + x – 3 and g(x) = x – 1, find (f + g)(x).

• 4x² - 4
• 4x² + 4
• 2x² + 2x - 4
• 2x² + 2x + 4

Given that f(x) = 2x² + x – 3 and g(x) = x – 1, find (f - g)(x).

• 2x² + 2
• 2x² - 2
• 2x + 2
• 2x - 2

Given that f(x) = 3x² - 4x and g(x) = x – 1, find (f o g)(-2).

• 39
• -39
• -3
• 3