Determine whether the sequence is arithmetic.an = 4n2 + 5
A. Arithmetic
B. Not arithmetic
Answer: B
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Solve the compound inequality and write the solution set using set-builder notation. Graph the solution set using a number line.2 - 2x ? 10 or 3x - 3 ? 9
A. {x
}
B. {x
}
C. {x
}
D. {x
or x ? 4}
Solve.The area of a rectangular wall in a classroom is 308 square feet. Its length is 5 feet shorter than three times its width. Find the length and width of the wall of the classroom.
A. width = 11 ft; length = 28 ft B. width = 11 ft; length = 16 ft C. width = 11 ft; length = 26 ft D. width = 11 ft; length = 38 ft
Provide the proper response.
is continuous at a. What value(s) of a allow(s) this statement to be true? Give a complete list of the values a could have.
A. The function would be continuous if a were -1, 0, or 1. B. The function would be continuous if a were 1. C. The function would be continuous if a were 0. D. The function would be continuous if a were either 0 or 1.
Solve the compound inequality. Express the solution using interval notation or state that there is no solution.-4x + 1 ? 9 or 7x + 3 ? -25
A. [-2,?) B. (-?,?) C. [-4,-2] D. [-4,?)