A lighting rig is a large bank of lights that creates lighting effects at concerts and sporting events. A company makes rigs with lights arranged in polygonal patterns. For example, a triangular rig may have 1, 3, 6, 10, or 15 lights, depending on its size. Analyze and answer the related problems.

The total number of lights in a triangular rig with n rows is given by the function T(n) as given. Find the number of lights in triangular rigs with 1 to 10 rows.
T(n)=1/2n^2+1/2n

a. 1, 3, 6, 10, 15, 22, 29, 37, 46, 56
b. 1, 3, 6, 10, 15, 20, 25, 30, 35, 40
c. 1, 3, 6, 10, 13, 16, 20, 23, 26, 30
d. 1, 3, 6, 10, 15, 21, 28, 36, 45, 55

Question

A lighting rig is a large bank of lights that creates lighting effects at concerts and sporting events. A company makes rigs with lights arranged in polygonal patterns. For example, a triangular rig may have 1, 3, 6, 10, or 15 lights, depending on its size. Analyze and answer the related problems.

The total number of lights in a triangular rig with n rows is given by the function T(n) as given. Find the number of lights in triangular rigs with 1 to 10 rows. 
T(n)=1/2n^2+1/2n

a. 1, 3, 6, 10, 15, 22, 29, 37, 46, 56
b. 1, 3, 6, 10, 15, 20, 25, 30, 35, 40
c. 1, 3, 6, 10, 13, 16, 20, 23, 26, 30
d. 1, 3, 6, 10, 15, 21, 28, 36, 45, 55

anonymous · Answer

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