Find the interval of convergence of the series.
A. 2 < x < 4
B. 2 ? x < 4
C. x < 4
D. -4 < x < 4
Answer: A
Mathematics
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Determine whether the expression is a monomial. If it is a monomial, state the coefficient and degree.-6x7
A. monomial; coefficient -6; degree 7 B. monomial; coefficient 7; degree 0 C. not a monomial D. monomial; coefficient 7; degree -6
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Find the exact value of the trigonometric function. Do not use a calculator or tables.cos 
A. 
B. 
C. 
D. 
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Write the expression in the standard form a + bi.(7 + 6i) - (-3 + i)
A. 4 + 7i B. 10 + 5i C. 10 - 5i D. -10 - 5i
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Write the equation in slope-intercept form.7x - 4y = 3
A. y = 
x - 
B. y = 
x + 
C. y = 
x + 
D. y = 7x - 3
Mathematics