What is the sum of the first 10 terms of the sequence 2, 6, 18,54...?

This is a sequence where you multiply that number 3 times.  For example, 2 x 3 = 6.  6 x 3 = 18.  18 x 3 = 54 and so on.  Therefore, multiplying 3 by the number is the Answer.

find the magnitude of the trig term  

csc

(

x

)

−

1

by taking the absolute value of the coefficient.

1

find the lower bound of the range.

tap for more

y

=

−

2

find the upper bound of the range.

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y

=

0

the range is  

y

≤

−

2

or  

y

≥

0

.

(

−

∞

,

−

2

]

∪

[

0

,

∞

)

{

y

|

y

≤

−

2

,

y

≥

0

}

step-by-step explanation: