Question

Select the correct answer.
Consider the arithmetic sequence.
-9, -2, 5, 12,...
Given that the sequence is represented by the function f(n), what are the values of f1) and the common difference?
O A. f(1) = -9
Common difference: -7
OB. f(1) = -2
Common difference: -7
OC. f(1) = -9
Common difference : 7
O D.
f(1) = -2
Common difference : 7

Answer 1

The correct answer among the answer choices is; Choice C; f(1) = -9, Common difference : 7.

What are the values of the first term and the common difference?

From the task content; it follows that the arithmetic sequence is given by f(n) and hence, the term f(1) is the first term and is = -9 .

The common difference is given as;

-2-(-9) = 5-(-2) = 7.

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