Answer:
x =15 + 30n
Step-by-step explanation:
8cos(12x)+4=-4
Subtract 4 from each side
8cos(12x)+4-4=-4-4
8cos(12x)=-8
Divide by 8
8/8cos(12x)=-8/8
cos(12x) = -1
Take the arccos on each side
arccos(cos(12x)) = arccos(-1)
12x = 180 degrees
But we can go around in a circle of 360 and get the same result
12 x = 180+360n where n is an integer
Divide each side by 12
x = 180/12 +360n/12
I think the answer is $22.00 but I'm not 100% sure.
Answer: −3f
see below
The x intercepts are where it crosses the x axis
( -4,0)
The y intercepts are where it crosses the y axis
( 0, 4)
452
5424/12 is equal to 452
The answer is C........
