MIDTERM EXAM

What is the Domain?

• {-3, -1, 1, 3, 5, 7, 9}
• {-3, -2, -1, 0, 1, 2, 3}
• -3 ≤ x ≤ 3
• -3 ≤ x ≤ 9

What is the domain?

• {-4, -1, 0, 2, 7}
• {-5, -4, -1, 0, 1, 2, 4, 7}
• {-5, 0, 1, 2, 4}
• {5}

Is it a function?

• It IS a function.

• It IS NOT a function

Is it a function?

• It IS a function.

• It IS NOT a function

Is it a function?

• It IS a function.

• It IS NOT a function

Is it a function?

• It IS a function.

• It IS NOT a function

Let 𝑓(𝑥)=𝑥−7. Find the value of 𝑓(2).

• 5

• -7

• 7

• -5

Which graph does NOT pass the vertical line test?

• Graph 1
• Graph 2
• Graph 3
• Graph 4

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)