Determine the inequality which matches the calculator graph. Do not use your calculator. Instead, use your knowledge of the concepts involved in graphing inequalities.
A. y ? -x
B. y ? x
C. y ? -x
D. y ? x
Answer: C
Mathematics
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Solve the system of equations.x - y + z = -6x + y + z = -8x + y - z = -4
A. {(-5, -1, -2)} B. ? C. {(-5, -2, -1)} D. {(-2, -5, -1)}
Mathematics
Reverse the order of integration and then evaluate the integral.
A. ln 7 - 1
B. 
C. 
D. ln 7
Mathematics
Determine a general formula (or formulas) for the solution to the equation.10 cos ? - 6
= 8 cos ?- 5
A. ? = 
+ n? or ? = 
+ n?
B. ? = 
+ 2n? or ? = 
+ 2n?
C. ? = 
+ 2n? or ? = 
+ 2n?
D. ? = 
+ n? or ? = 
+ n?
Mathematics
The function f is one-to-one. Find its inverse.f(x) = 5x2 - 3, x ? 0
A. f-1(x) = - 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
Mathematics