Let ? be an angle in standard position. Name the quadrant in which the angle ? lies.tan ? < 0, sin ? < 0
A. quadrant III
B. quadrant I
C. quadrant II
D. quadrant IV
Answer: D
Mathematics
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The argument has a true conclusion. Identify the argument as valid or invalid.All dogs have fur.All cats have fur. A cat is not a dog.
A. Valid B. Invalid
Mathematics
Graph the equation and its tangent.Graph y = 4x2 and the tangent to the curve at the point whose x-coordinate is -2.
A. 
B. 
C. 
D. 
Mathematics
Solve the equation by factoring.(x - 4)(x + 5) = 0
A. {4, -4, 5, -5} B. {4, 5} C. {-4, 5} D. {4, -5}
Mathematics
Determine whether the given function is one-to-one. If it is one-to-one, find its inverse.f(x) = 
A. f-1(x) = x2 + 7, x ? 0
B. f-1(x) = (x - 7)2
C. Not one-to-one
D. f-1(x) = 
Mathematics