Find the domain of the composite function f?g.f(x) = 
, g(x) = x + 1
A. (-?, -3) ? (-3, ?)
B. (-?, -3) ? (-3, -1) ? (-1, ?)
C. (-?, -4) ? (-4, ?)
D. (-?, ?)
Answer: C
Mathematics
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A. Not a function B. A function
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Provide an appropriate response.Solve the following equation: x2 + 3 = 39
Fill in the blank(s) with the appropriate word(s).
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Determine the slope and y-intercept of the line represented by the given equation.9x + y = 8
A. m = 
; y-intercept is (0, 
)
B. m = 9; y-intercept is (0, 8)
C. m= -9; y-intercept is (0, 8)
D. m = - 
; y-intercept is (
, 0)
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Evaluate.-1.5(2.3 - x) for x = 3.7
A. 2.1 B. -7.15 C. -2.1 D. 7.15
Mathematics