Find the value of x.
?
?
A. ?
B. 
C. ?
D. ?
E. ?
Answer: B
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For the given graph, write the inequality in set-builder notation and interval notation.
A. {x
x ? 3}, (-?, 3]
B. {x
x < 3}, (-?, 3)
C. {x
x > 3}, (3, ?)
D. {x
x ? 3}, [3, ?)
Find the unknown value.171 is 36% of what number?
A. 4750 B. 21 C. 0.21 D. 475
Solve the problem.If the resistance in an electrical circuit is held constant, the amount of current flowing through the circuit is directly proportional to the amount of voltage applied to the circuit. When 
are applied to a circuit, 
of current flow through the circuit. Find the new current if the voltage is increased to 
A. 350 milliamperes B. 52 milliamperes C. 312 milliamperes D. 325 milliamperes
Define T: R2 ? R2 by T(x) = Ax, where A is the matrix defined below. Find the requested basis B for R2 and the corresponding B-matrix for T.Find a basis B for R2 and the B-matrix D for T with the property that D is a diagonal matrix.A = 
A.
B = 
, D = 
B.
B = 
, D = 
C.
B = 
, D = 
D.
B = 
, D = 