Give a rule for the piecewise-defined function. Then give the domain and range.
A. f(x) = 
; Domain: {2, 4}, Range: (-? -3) ? [4, ?)
B. f(x) = 
; Domain: {2, 4}, Range: (-? -3] ? (4, ?)
C. f(x) = 
; Domain: (-? -3] ? (4, ?), Range: {2, 4}
D. f(x) = 
; Domain: (-? -3) ? [4, ?), Range: {2, 4}
Answer: C
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Solve by elimination and check.6x + 5y = 33.54x - 5y = 1.5
A. (3.5, 2.5) B. (3.5, 3) C. (2.5, 3.5) D. (4, 2.5)
Find the derivative of y with respect to x, t, or ?, as appropriate.y = ln 3x
A. 
B. - 
C. - 
D. 
Using switches, design a circuit that would find the truth values for the statement.
?
?
Select the correct circuit.
?
(a)
(b)
(c)
What will be an ideal response?
Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = 2, y = 3, z = 7; (2, 3, 7) B. x = 2, y = 7, z = 3; (2, 7, 3) C. x = -2, y = 7, z = 4; (-2, 7, 4) D. inconsistent