The maybe pay life insurance co. is trying to sell you an investment policy that will pay you and your heirs $39,000 per year fo
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Answer:
Real values of x where x < -1
Step-by-step explanation:
Above the x-axis, the function is positive.
The function is decreasing when the gradient is negative.
The function has a positive
coefficient, therefore the vertex is a local minimum;
This means the gradients are negative before the vertex and positive after it;
To meet the conditions therefore, the function must be before the vertex and above the x-axis;
This will be anywhere before the x-intercept at x = -1;
Hence it is when x < -1.
A U B = set of all elements that are in both A or B:
A U B = {2, 3, 4, 5, 6, 7}
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