Find the inverse of the function.f(x) = 
, x ? -4
A. f-1(x) = x2 - 16, x ? 0
B. f-1(x) = -x2 + 4, x ? 0
C. f-1(x) = x2 - 4, x ? 0
D. Not a one-to-one function
Answer: C
Mathematics
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Find an equation for the hyperbola described. Graph the equation.Center at (0, 0); vertex at (0, 3); focus at (0, -
)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Determine the two equations necessary to graph the hyperbola with a graphing calculator.
- 
= 1
A. y = 
and y = - 
B. y = 
and y = - 
C. y = 
and y = - 
D. y = 
and y = - 
Mathematics
Factor the polynomial by grouping.x3 - 16x + 6x2 - 96
A. (x - 4)2(x + 6) B. (x2 - 16)(x + 6) C. (x + 4)(x - 4)(x + 6) D. prime
Mathematics
Solve the equation. The letters a, b, and c are constants.ax - b = c, a ? 0
A. x = 
B. x = - 
C. x = 
D. x = 
Mathematics