Answer:
y = 5
Step-by-step explanation:
That "+5" elevates the graph of this cosine function 5 units above the x axis, and thus the "midline" you wanted is y = 5.
Answer:
amusing you mean 3x^2-8x-16 the answer is when x is equal to -4/3 and 4
Step-by-step explanation:
3x^2-8x-16 ------> (3x+4)(x-4)
3x+4=0 ----> 3x=-4 ----> x=-4/3
x-4=0 ----> x=4
Answer: 
Work Shown:

This can be rewritten into 
Answer:
2 2/9
Step-by-step explanation:
Answer:
The equation would be Y=-1/4X+5
And in the above pic , i have graph the line , too .
Good luck ^.^