Determine if the sequence is arithmetic, geometric, or neither. If arithmetic or geometric, determine the first term and the common difference or common ratio.-6, -1, 4, 9, . . .
A. Arithmetic; a = 5, d = -6
B. Geometric; a = -6, r = 5
C. neither arithmetic nor geometric
D. Arithmetic; a = -6, d = 5
Answer: D
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For the application, write a sentence answering the question.A rectangular flower bed in front of a building measures 3
feet by 12
feet. What is the total area of the flower bed?
A. The area of the flower bed is 36
square feet.
B. The area of the flower bed is 42 square feet.
C. The area of the flower bed is 43 square feet.
D. The area of the flower bed is 40 square feet.
Find the axis of symmetry of the graph of the parabola.f(x) = 5(x - 4)2 - 9
A. x = -4 B. x = 4 C. x = -9 D. y = -9
Write the fraction as a whole or mixed number.
A. 4
B. 6
C. 5
D. 5
The sampling method described suffers from a form of bias. Identify the bias, tell how the sample statistic might differ significantly from the population parameter, and suggest how the problem might be corrected.A city supervisor would like to assess the level of tax payer support for improved services for the homeless. He uses the phone book to obtain a random sample of residents and finds that only 26% think that services for the homeless should be improved.
What will be an ideal response?