You need to look at the x values when you calculate that.
There is a line which goes from -2 to 0. Another line at 0 to 4 and the last line is 7 to infinity.
You can combine the first two and get B) (-2, 4] and [7, infinity)
Answer:
12-12
Step-by-step explanation:
hope this helps tell me if it's right
The fraction 6/3 is equivalent to 2. So, it's a integer number once the numerator is multiple of the denominator.
sin(8x) cos(3x) - cos(8x) sin(3x)
sin(8x - 3x) = sin(5x)
