Find the domain of the rational function.h(x) = 
A. All real numbers except -3 and 3
B. All real numbers except -3, 3, and -8
C. All real numbers
D. All real numbers except 0 and -9
Answer: D
Mathematics
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Provide an appropriate response. Find the standard deviation for the scores:21 32 28 25 23 30 26 28 27 28
A. 3.06 B. 26.8 C. 10.4 D. 3.22
Mathematics
Indicate whether the function is one-to-one.C = {(6, -6), (-4, -5), (-6, -4), (-8, -3)}
A. Yes B. No
Mathematics
Rewrite as an expression using only positive exponents.
A. 
B. y11
C. 
D. y19
Mathematics
Solve the equation.
= 
- 
A. {9, 18} B. {18} C. {9} D. no solution
Mathematics