I'm not sure what the question is here. If an answer is communicative property, go with that. If it is asking for 
, the answer is about 84.8230016469.
Answer:
yes, because they're varying in a constante rate
y = -1/2x +3.5
Answer:
A and B
Step-by-step explanation:
C. f(x) = – 2 cos 6x + 1
Start by determining the amplitude. Since we've deduced the amplitude is 2, the equation can include either a positive or negative 2 (since amplitude measures absolute value).
Next is the period. The equation for period P is P = (2pi)/b. If P is pi/3, then
pi/3 = (2pi)/b. Thus your b value should be 6.
Finally, the midline would be given by + 1 since adding a unit shifts the function upwards. This means that instead of the highest y value being 2 and the lowest -2, instead you'd have values of 3 and -1.
(3 – 1)/2 = 1 (midpoint theory).
