Specify the domain of the function.f(x) = 2x - 7
A. x ? 0
B. x > 0
C. x ? 7
D. All real numbers
Answer: D
Mathematics
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Rewrite the expression without absolute value bars.|20|
A. 0 B. -20 C. 40 D. 20
Mathematics
Use the table to determine the probability. Round your answer to three decimal places if necessary.The table gives the number of degrees earned in a certain university in the 2007-2008 academic year.
If a student receiving a degree is randomly selected, what is the probability the degree recipient selected is a female or earned a Doctorate?
A. 0.597 B. 0.588 C. 0.016 D. 0.009
Mathematics
Solve.x2 - 81 = 80x
A. -9, -9 B. -1, 81 C. -9, 9 D. 1, -81
Mathematics
Factor the sum or difference of two cubes completely.27a3 - 8b3
A. (3a + 2b2)(9a2 - 6ab + 4b2) B. (3a - 2b)(9a2 + 4b2) C. (3a - 2b)(9a2 + 6ab + 4b2) D. (27a - 2b)(a2 + 6ab + 4b2)
Mathematics