Rewrite the expression in terms of the given function or functions.sin2 x + sin x - 1 + cos2 x; sin x
A. sin x
B. -sin x
C. 2sin x
D. 2 + sin x
Answer: A
Mathematics
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Use mathematical induction to prove the following.12 + 42 + 72 + . . . + (3n - 2)2 = 
What will be an ideal response?
Mathematics
Identify whether the equation is a linear equation in one variable. Answer "is" or "is not."x - 8 = 
A. is B. is not
Mathematics
Find the quadratic function y = f(x) that has the given vertex and whose graph passes through the given point.vertex (-4, -9); passing through (3, -5)
A. y = 4(x - 4)2 - 9
B. y = 
(x + 4)2 + 9
C. y = 
(x - 4)2 + 9
D. y = 
(x + 4)2 - 9
Mathematics
Solve the system of equations using substitution.
A. x = -8, y = 7; x = -7, y = 8 B. x = 8, y = -7; x = 7, y = -8 C. x = 8, y = 7; x = 7, y = 8 D. x = -8, y = -7; x = -7, y = -8
Mathematics