Answer:
Excuse me but they is nothing shown below!
Step-by-step explanation: Again not trying to be rude but there is nothing shown below! thank you for your time! <3
sin 270° has the value of -1 sweety
(f+g)(x) just means f(x) + g(x)

Choice B
Answer is B- you might begin to visualize the story.
To find a perpendicular slope (or line), the slope (in this case 4x) must be the opposite sign and its reciprocal, which is basically the fraction flipped upside down. Since 4 is technically 4/1, that fraction flipped is 1/4. And since you need to flip the sign too, instead of it being a positive number, it's negative. Your answer is -1/4x-8