Find the range of the quadratic function.f(x) = (x + 8)2 - 9
A. (-?, -9]
B. [-9, ?)
C. (-?, -8]
D. [-8, ?)
Answer: B
Mathematics
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Find the quadratic approximation of f at x = 0.f(x) = tan 9x
A. Q(x) = 1 + 9x2
B. Q(x) = 1 - 
x2
C. Q(x) = 1 + 
x2
D. Q(x) = 9x
Mathematics
Verify the identity.tan 
= -cot x
What will be an ideal response?
Mathematics
Find parametric equations to represent the line segment from (-3,4)to(12,-8).
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Mathematics
Use the method suggested to compute mentally.Use breaking and bridging. 
A. 31 B. 34 C. 33 D. 32
Mathematics