State the domain of the given function.f(x) = 
A. All real numbers x > 9
B. All real numbers x > -9
C. All real numbers x ? -9
D. All real numbers except -9
Answer: B
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Write the expression as a complex number in the form a + bi.7
A. 0 + 7i B. 7 + 0i C. 7 + 7i D. 7 - 7i
Write an expression for the general or nth term, an, of the arithmetic sequence.3, 7, 11, 15, . . .
A. an = 4n - 1 B. an = 4n + 3 C. an = 4(n+1) + 3 D. an = 3n + 3
Provide an appropriate response.Write a quadratic equation that is most easily solved using the principle of square roots. Explain why the principle of zero products would not work as easily on the equation you wrote.
What will be an ideal response?
How many four-letter code words can be constructed from the first ten letters of the Greek alphabet if no repetitions allowed?
a. 5,040 code words b. 1,693 code words c. 7,800 code words d. 1,285 code words e. 9,836 code words f. 9,824 code words