Add.
?
A. 122
B. 112
C. 132
D. 124
E. 123
Answer: A
Mathematics
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Add. 3 + 2 + (-6)
A. -5 B. 7 C. 11 D. -1
Mathematics
Decide whether the statement is true or false. If it is false, tell why.If k is a negative integer, then x2 = k will have two irrational solutions.
A. True B. False; the equation will have no real number solutions. C. False; the equation will have two rational solutions.
Mathematics
Simplify the expression.
?
?
Write the answer without using negative exponents. Assume that all variables are restricted to those numbers for which the expression is defined.
What will be an ideal response?
Mathematics
Find the domain of the function.f(x) = x2 + 7
A. {x|x ? -7}, or [-7, ?) B. {x|x ? -7}, or (-?, -7) ? (-7, ?) C. {x|x > -7}, or (-7, ?) D. all real numbers, or (-?, ?)
Mathematics