Answer:
-9 ≤y≤8
Step-by-step explanation:
The range is the output values or the y values for this graph
The minimum y value is -9 and the maximum is 8
-9 ≤y≤8
Answer:
the second one
Step-by-step explanation:
trust me i've done this before
I believe the answer is D
Answer: The first option.
Step-by-step explanation:
1. To solve this exercise you need to remember that:
- An even function is a function with the following property:
f(-x)=f(x)
- An odd function is a function with this property:
f(-x)=-f(x)
2. By definition, the contangent is an odd function, therefore you have that:
cot(-θ)=-cot(θ)
Then:

3. So, you can coclude that the first step is wrong. Therefore, the answer is the first option.
2xy + 5 - 8 + 3xy - y +7 + 3y = 5xy - 8 + 2y + 12