Give the coordinates of the vertex and graph the equation in a window that includes the vertex.y = 2x2 - 12x + 22
A. Vertex: (-4, -3)
B. Vertex: (-3, -4)
C. Vertex: (4, 3)
D. Vertex: (3, 4)
Answer: D
Mathematics
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Decide whether or not the given equation is an identity.cos2 
= 1
A. Yes B. No
Mathematics
Solve the problem. When needed, use 365 days per year and 30 days per month.An initial investment of $14,000 is appreciated for 7 years in an account that earns 7% interest, compounded semiannually. Find the amount of money in the account at the end of the period.
A. $21,895.38 B. $8661.72 C. $22,480.94 D. $22,661.72
Mathematics
Use the Principle of Mathematical Induction to show that the statement is true for all natural numbers n.2 + 2 ? 
+ 2 ? 
2 + ... + 2 ? 
n - 1 = 
What will be an ideal response?
Mathematics
Simplify.
A. 
B. None of these
C. 
D. -1
Mathematics