Add or subtract horizontally.Add -5x4 - 6x3 - 3x2 + 6x - 9, -5x2 + 4x, and -5 + 3x2 + x3 - 2x4.
A. -7x4 - 5x3 + 5x2 + 10x - 14
B. -7x4 - 5x3 - 5x2 - 10x - 14
C. -7x4 - 5x3 - 5x2 + 10x - 14
D. -7x4 - 5x3 - 5x2 + 10x + 14
Answer: C
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Decide whether or not the network is traversable.Is it possible to walk through each door of the house exactly once?
A. Yes B. No
The graph of a function f is given. On the same axes, sketch the graph of f-1 and find the domain and range of the inverse of f.
A. domain of f-1: [0, ?); range of f-1: [-4, ?)
B. domain of f-1: [0, ?); range of f-1: [4, ?)
Use the information given about the angle ? to find the exact value of the indicated trigonometric function.cos ? = - 
, sin ? > 0Find cos 
.
A. - 
B. 
C. 
D. - 
Solve the problem.Tim needs to apply 2
gallons of herbicide per acre of soybeans. How many gallons of herbicide are needed for 388 acres?
A. 194
gallons
B. 196 gallons
C. 155
gallons
D. 970 gallons