For the function f(x) = -2(x + 3)2 - 1, identify the vertex, domain, and range
the vertex is (3,-1), the domain is all real numbers, and the range is y2-1
the vertex is (3,-1), the domain is all real numbers, and the range isys-t.
o the vertex is (-3, -1), the domain is all real numbers, and the range is ys-1
the vertex is (-3, -1), the domain is all real numbers and the range isy 2-1

The vertex is (-3, -1), the domain is all real numbers and the range is y ≤ -1.

Step-by-step explanation:

The general vertex form is f(x) = a(x - b)^2 + c where the vertex is (b, c).

So for f(x) = -2(x + 3)^2 - 1   the vertex is (-3, -1).

Because of the negative  coefficient of x^2 ( -2) the parabola opens downwards and the maximum value is -1. So the range is y ≤ -1.

The domain is all real numbers.

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step-by-step explanation:

a_n = a_1 + (n - 1)d

the first term is 6.

the common difference d = ?

when you find d, replace n with 7 and d with the common difference to find your answer.