For the function f, use composition of functions to show that f-1 is as given.
, 
What will be an ideal response?
Answers may vary. One possible solution is:
1. (f-1 ? f)(x) = f-1(f(x)) = f-1
= 2
+ 4 = 
+ 4 = x;
2. (f ? f-1)(x) = f(f-1(x)) = f
= 
/2 = 2x/2 = x
Mathematics
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Solve the cubic equation using factoring and the quadratic formula.x3 - 64 = 0
A. {4, 2 ± 2
}
B. {4, -2 ± 2i
}
C. {4, 2 ± 2i
}
D. {4, -2 ± 2i}
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Match the equation of the parabola with the appropriate description.y - 6 = 2(x - 5)2
A. Vertex at (-5, -6) B. Vertex at (10, 6) C. Vertex at (-10, -6) D. Vertex at (5, 6)
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Add.(-0.1) + (-2.8) + (-0.5)
A. 2.2 B. 3.2 C. -3.4 D. 2.4
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Add the polynomials. Express your answer in standard form.(14mn4 + 3m2n2 + n4) + (2m2n2 - 7n4 - 6mn4)
A. 20mn4 - 5m2n2 - 6n4 B. 20mn4 + 5m2n2 + 6n4 C. 8mn4 + 5m2n2 - 6n4 D. 8mn4 + 5m2n2 - 8n4
Mathematics