Use modular arithmetic to find the answer.Fill in the blank so that the answer is nonnegative and the least possible number.-22 ? ___ (mod 9)
A. 5
B. -1
C. 7
D. 9
Answer: A
Mathematics
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Determine the sum or difference in the given clock arithmetic.2 + 5 (clock 7)
A. 7 B. 1 C. 2 D. 5
Mathematics
Solve the equation.-6 = b - 9
A. -15 B. 3 C. -3 D. 15
Mathematics
For the rational function given, find all values a for which f(a) has the indicated value.f(x) = 
,f(a) = 
A. 2
B. - 21
C. 0, 7
D. 
Mathematics
Determine the domain and the range of the function.f(x) = -x2 + 4x + 5
A. domain: {x|x ? -2} range: {y|y ? 9} B. domain: all real numbers range: all real numbers C. domain: all real numbers range: {y|y ? 9} D. domain: all real numbers range: {y|y ? -9}
Mathematics