Refer to this figure to answer the question. Assume 
and 
are parallel.
What is the vertex of ?DEI?
A. I
B. E
C. D
Answer: B
Mathematics
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Find the first three nonzero terms of the Maclaurin series for the given function and the values of x for which the series converges absolutely.f(x) = cos x - 
A. -4 - x - 
x2 - ..., -1 < x < 1
B. -4 + 5x + 
x2 + ..., -1 < x < 1
C. -4 - 5x + 
x2 - ..., -1 < x < 1
D. -4 - 5x - 
x2 - ..., -1 < x < 1
Mathematics
Find the real solutions, if any, of the equation. Use the quadratic formula.6x2 + 12x + 3 = 0
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.4(y + 8) = 6y + 32
A. 0 B. 64 C. -32 D. 32
Mathematics
By graphing the function, visually estimate its domain and range.t(x) = 
A. Domain: (-?, ?); range: (-?, ?) B. Domain: (-?, 3]; range: [0, ?) C. Domain: [3, ?); range: [3, ?) D. Domain: (-?, 3]; range: (-?, 3]
Mathematics