For the given functions f and g, find the requested function and state its domain.f(x) = 4x + 5; g(x) = 4x - 1Find 
.
A. (
)(x) = 
; {x|x ? - 
}
B. (
)(x) = 
; {x|x ? 
}
C. (
)(x) = 
; {x|x ? 
}
D. (
)(x) = 
; {x|x ? - 
}
Answer: C
Mathematics
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A. 0 B. 2 C. 1 D. 3
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Use the rational zero theorem, Descartes's rule of signs, and the theorem on bounds as aids in finding all real and imaginary roots to the equation.x4 + 18x3 + 71x2 - 18x - 72 = 0
A. -12, -6, -1, 1 B. -1, 1, 6, 12 C. -12, -6, 1, multiplicity 2 D. -6, -1, 1, 12
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Solve the literal equation for the specified variable.a + b = s + r for s
A. s = r(a + b)
B. s = 
C. s = 
+ b
D. s = a + b - r
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Solve the system of equations by graphing.
?
?
?
A. 
, 
B. 
C. 
, 
D. 
, 
E. no solution
Mathematics