Write the inequality in interval notation.x > 7
A. (-?, 7)
B. [7, ?)
C. (-?, 7]
D. (7, ?)
Answer: D
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Use words such as linear, quadratic, cubic, polynomial, degree, one variable, and two variables to describe the expression.8x4 - 8x4y - 9
A. not a polynomial B. 5th - degree polynomial in two variables C. 4th - degree polynomial in two variables D. 5th - degree polynomial in one variable
Find the opposite of the polynomial.14a2 - 5a + 1
A. -14a2 + 5a - 1 B. -14a2 - 5a - 1 C. 14a2 + 5a - 1 D. 14a2 - 5a + 1
Write a description of the set.D = {-2, -1, 0, 1, 2, 3, 4, . . .}
A. Set D is the set of integers. B. Set D is the set of natural numbers greater than or equal to -2. C. Set D is the set of natural numbers. D. Set D is the set of integers greater than or equal to -2.
Add or subtract. Assume that variables represent nonnegative values.
- 2
- 10
A. -162
B. -74
C. 74
D. 98