Factor completely.4x2 + 19x + 12
A. (4x - 8)(x + 4)
B. (x + 3)(x + 4)
C. (4x + 3)(x + 4)
D. (x - 8)(x + 4)
Answer: C
Mathematics
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Determine the natural logarithm of the number. Round to the nearest ten-thousandth.244
A. 90.0369 B. 5.4972 C. 2.3874 D. 0.1814
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Evaluate the indicated function with the given information.Find the value of sin 
if tan ? = - 
(270° < ? < 360°).
A. 
B. 
C. 
D. 
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Decide whether the given set of numbers is a commutative group under the given operation.Even integers; multiplication
A. Yes B. No
Mathematics
Determine the vertex and the x-intercepts. Then sketch the graph.y = x2 - 4
A. 
Vertex: (0, -4); x-intercepts: (-2, 0) and (2, 0)
B. 
Vertex: (0, 4); x-intercepts: none
C. 
Vertex: (0, -4); x-intercepts: none
D. 
Vertex: (-4, 0); x-intercept: (-4, 0)
Mathematics