Write an equation for the nth term of the arithmetic sequence. -6,-9,-12,-15

= - 3n - 3

Step-by-step explanation:

The nth term of an arithmetic sequence is

= a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = - 6 and d = a₂ - a₁ = - 9 - (- 6) = - 9 + 6 = - 3 , then

= - 6 - 3(n - 1) = - 6 - 3n + 3 = - 3n - 3

answer: domain and range mean all possible values of x and y that could be substituted to the inequality. a solution means all possible values that make the inequality statement true. so while the range is still all real numbers, the solution is the shaded area, for which y will always be greater than the line of the function.

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step-by-step explanation: