Find the inverse of the function.f(x) = (x - 6)2, x ? 6
A. f-1(x) = 
, x ? 6
B. f-1(x) = -
+ 6, x ? 0
C. Not a one-to-one function
D. f-1(x) = 
+ 6, x ? 0
Answer: D
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Make a sketch of the population function (as a function of time) that results from the given growth rate function. Assume the population at time t = 0 begins at some positive value.
A. 
B. 
C. 
D. 
Solve the problem.In how many ways can the letters in the word PAYMENT be arranged if the letters are taken 4 at a time?
A. 28 B. 840 C. 210 D. 420
Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = - 
- 
w, y = 
- 
w, z = 1 - w, where w is any real number
B. inconsistent
C. x = 
- 
w, y = - 
- 
w, z = 1 - w, where w is any real number
D. x = - 
+ 
w, y = 
+ 
w, z = 1 - w, where w is any real number
Find the equation of the transverse axis of the hyperbola.9x2 - y2 = 9
A. y = 0 (x-axis)
B. y = -3x
C. x = 0 (y-axis)
D. y = - 
x