Use the vertical line test to determine whether or not the graph is a graph in which y is a function of x.
A. not a function
B. function
Answer: B
Mathematics
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Factor by grouping.6x2 - 8xy - 15xy + 20y2
A. (6x - 5y)(x - 4y) B. (2x - 5y)(3x - 4y) C. (2x + 5y)(3x - 4y) D. (2x - 5)(3x - 4)
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Add or subtract.(7 + 7i) - (-2 + i)
A. 9 + 6i B. -9 - 6i C. 9 - 6i D. 5 + 8i
Mathematics
Match the equation to its graph.y2 = 13x
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression.sin 215° cos 95° - cos 215° sin 95°
A. - 
B. - 
C. - 
D. 
Mathematics