For the given functions f(x) and g(x), find (f + g)(x) or (f - g)(x) as indicated.f(x) = 9x2 + 8x - 7, g(x) = 2x2 + 7x - 3Find (f + g)(x).
A. -11x2 + 15x - 10
B. -5x2 + 16x - 10
C. 16x2
D. 11x2 + 15x - 10
Answer: D
Mathematics
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True or false?Given that Sue's weight increased from 120 lb to 132 lb and that Mark's weight increased from 150 lb to 165 lb, we can say that in absolute terms, Mark's weight increased more, but that in relative terms, Sue's weight increased more.
A. True B. False
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Find the exact value of x.cot-1 x = cos-1 
A. 
B. 
C. 
D. 
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Verify the identity.
+ 
= 2 tan 2 x
What will be an ideal response?
Mathematics
Solve the system by graphing. If there isn't a unique solution to the system, state the reason.
A. (2, 3) B. (3, 2) C. (3, -2) D. inconsistent system of equations
Mathematics