Question 20 Which of the following statements is true?
A
The series
diverges by the alternating series test.
vn
B
The series
converges by the alternating series test.
2+vn
С
The series
Σ
(-1)"+1 Cos(17)
converges by the alternating series test
n2
D
The series
(-1)"+1
4n
converges by the alternating series test.
9 + n2

The parabola opens: y=√x-4 (principal square root) up down right left

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?

The diagram represents the polynomial 4x2 + 23x – 72. what is the factored form of 4x2 + 23x – 72? (4x + 8)(x – 9) (4x – 8)(x + 9) (4x + 9)(x – 8) (4x – 9)(x + 8)