Find the perimeter of the following.
A. 380 feet
B. 255 inches
C. 130 inches
D. 380 inches
Answer: D
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Find the domain and range of the relation.{(-7,-4), (-2,5), (-8,-1), (8,-3)}
A. D = {-8, -7, -2, 8}; R = {-1, -4, 5, -3} B. D = {-1, -4, 5, -3}; R = {-8, -7, -2, 8} C. D = {-8, -7, -2, 8}; R = {-1, -1, -4, 5, -3} D. D = {-8, -7, -2, 8}; R = {-1, 4, -4, 5, -3}
Solve the problem.Two low-frequency sound waves with similar frequencies, producing the pressures 
and 
combine to form a pressure 
The variable t is time measured in seconds. Graph P in 
by 
and use the graph to determine the
frequency of the displayed beats. Rewrite the sum P as a product of trigonometric functions.
A. 1.5 beats per second
0.006 cos(61.5?t) cos(1.5?t)
[0, 1.2, .05] by [-0.01, 0.01, 0.001]
B. no beats
0.006 cos(123?t) cos(123?t)
[0, 1.2, .05] by [-0.01, 0.01, 0.001]
C. no beats
0.006 cos(61.5?t) cos(61.5?t)
[0, 1.2, .05] by [-0.01, 0.01, 0.001]
D. 3 beats per second
0.006 cos(123?t) cos(3?t)
[0, 1.2, .05] by [-0.01, 0.01, 0.001]
Prove 
for all natural numbers n.
?
List the steps involved.
What will be an ideal response?
Combine. Simplify the answer.
+ 
A. 
B. 
C. 
D. 