Evaluate the expression for the given replacement values.yz for y = -0.8, z = 7.9
A. -63.2
B. 63.2
C. 6.32
D. -6.32
Answer: D
Mathematics
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Answer the question about the given function.Given the function f(x) = 
, what is the domain of f?
A. {x|x ? 9}
B. {x|x ? -9}
C. {x|x ? 
}
D. {x|x ? 6}
Mathematics
Solve the system of equations using Cramer's Rule, if applicable.
A. {(x, y)|y = 2x - 5} B. (-4, -13) C. ? D. (-13, -4)
Mathematics
Simplify the expression. Assume that all variables are positive and write your answer in radical notation.
? 
A. 
B. 
C. 
D. 
Mathematics
Graph the circle.(x + 4)2 + y2 = 25
A. 
B. 
C. 
D. 
Mathematics