For the given functions f and g, find the requested function and state its domain.f(x) = 4 - 2x; g(x) = -9x + 2Find f + g.
A. (f + g)(x) = -9x + 4; {x| x ? 
}
B. (f + g)(x) = -5x; all real numbers
C. (f + g)(x) = 7x + 6; {x|x ? 
}
D. (f + g)(x) = -11x + 6; all real numbers
Answer: D
Mathematics
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x + 3
A. 
B. 
C. 
D. 
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Eliminate the parameter t. Find a rectangular equation for the plane curve defined by the parametric equations.x = 2 + sec t, y = 5 + 2 tan t; 0 < t < 
A. (x - 2)2 + 
= 1; 1 ? x ? 3
B. (y - 2)2 - 
= 1; -? < x < ?
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= 1; x > 3
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A. tan 53° B. cot 53° C. cos 37° D. cos 53°
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Find the exact value of the expression if ? = 45°. Do not use a calculator.f(?) = sin ?Find 5 f(?).
A. - 
B. 
C. 
D. - 
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