Find the root.
A. 4
B. 2
C. 8
D. Not a real number
Answer: B
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Find the intervals on which the function is increasing and the intervals on which the function is decreasing.f(x) = x2 - 9x + 12
A. Increasing on 
; decreasing on 
B. Increasing on 
; decreasing on 
C. Increasing on 
; decreasing on 
D. Increasing on 
; decreasing on 
Solve.A circular fountain has a diameter of 39 ft. Approximate the distance around the fountain. Use 3.14 for 
A. 244.92 ft B. 61.23 ft C. 122.46 ft D. 4,775.94 ft
Find the unknown number in the proportion. Write your answer as a whole number or a mixed number if possible.
= 
A. x = 1
B. x = 6
C. x = 
D. x = 2
Solve the problem.The locations of three receiving stations and the distances to the epicenter of an earthquake are contained in the following three equations: 
. Determine the location of the epicenter.
A. at (-1, -4) B. at (-3, -1) C. at (-2, -3) D. at (-1, -3)