Answer:
+ 6b³ - 18b²
Step-by-step explanation:
The first four terms of the sequence are 8,12,16 and 20.
<h3><u>
What is a Sequence?</u></h3>
- A sequence is an enumerated group of items in mathematics where repetitions are permitted and order is important. Similar to a set, it has members (also called elements, or terms).
- The length of the series is the number of elements (potentially infinite). In contrast to a set, the same items might appear more than once in a sequence at various points, and unlike a set, the order is important.
- A sequence can be described formally as a function from natural numbers (the positions of the sequence's elements) to the items at each of those positions.
- An indexed family, which is a function from an index set that may not be a set of numbers to another set of elements, can be thought of as a generalization of the idea of a sequence.
Given the function is f(n) = (2n+2)2
Now, we want first four terms, therefore, putting 1, 2, 3, 4 in the sequence we get:
f(1) = (2*1+2)2 = 8
f(2) = (2*2+2)2 = 12
f(3) = (2*3+2)2 = 16
f(4) = (2*4+2)2 = 20
Hence, The first four terms of the sequence are 8,12,16 and 20.
Know more about Sequence with the help of the given link:
brainly.com/question/21961097
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Refer to the attachment.
Step-by-step explanation:
I hope it'll help you...
The answer will be B, you got the slope right but you got the intercept wrong. The y-intercept is always the constant.
The length of arc is 69.1 feet
<em><u>Solution:</u></em>
<em><u>The length of arc when angle given in degrees is given as:</u></em>

Where,
r is the radius
is the central angle in degrees
From given,

<em><u>Substituting the values we get,</u></em>

Thus the length of arc is 69.1 feet