Find the domain of the composite function (g ? f)(x). Write the domain in interval notation.f(x) = 
, g(x) = 7x + 3
A. [0, ?)
B. (-?, 0]
C. (-?, 7) ? (7, ?)
D. (-?, ?)
Answer: D
Mathematics
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Simplify the expression. Assume that all variables are positive.
A. x2y6 B. x6y C. xy6 D. x6y2
Mathematics
Match the equation of the ellipse with the appropriate description.4x2 + 25y2 = 2500
A. x-intercepts (100, 0), (-100, 0); y-intercepts (0, 625), (0, -625) B. x-intercepts (25, 0), (-25, 0); y-intercepts (0, 10), (0, -10) C. x-intercepts (10, 0), (-10, 0); y-intercepts (0, 25), (0, -25) D. x-intercepts (625, 0), (-625, 0); y-intercepts (0, 100), (0, -100)
Mathematics
Provide an appropriate response.Give an example of three numbers whose greatest common factor is 1.
What will be an ideal response?
Mathematics
Provide an appropriate response.Is f(x) = 
its own inverse? Explain.
What will be an ideal response?
Mathematics