Determine where the given function is increasing and where it is decreasing. f(x) = -9x2 - 2x - 4
A. Decreasing on 
, increasing on 
B. Increasing on 
, decreasing on 
C. Increasing on 
, decreasing on 
D. Increasing on 
and (0, ?), decreasing on 
Answer: B
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For the given function f(x), find f-1(x). State the domain of f-1(x).f(x) = (x - 10)2 + 2 (x ? 10)
A. f-1(x) = 
+ 10, x ? 2
B. f-1(x) = 
- 10, x ? -2
C. f-1(x) = 2x2 + 10, x ? 0
D. f-1(x) = 
- 2, x ? -10
For the given rational function f, find all values of x for which f(x) has the indicated value.f(x) = 
- 
; f(x) = 2
A. 18
B. 
C. 12
D. 13
Determine if the ordered pair is a solution to the given linear inequality in two variables.y ? -x
(5, -5)
A. Yes B. No
Use the two steps for solving a linear programming problem to solve the problem.An office manager needs to buy new filing cabinets. Cabinet A costs $7, takes up 7 square feet of floor space, and holds 7 cubic feet of files. Cabinet B costs $8, takes up 10 square feet, and holds 15 cubic feet. He has only $94 to spend and the office has room for no more than 100 square feet of cabinets. He wants to have at least one of each type of cabinet. How many of each can he buy to maximize storage capacity?
A. 0 cabinet A and 13 cabinet B B. 10 cabinet A and 3 cabinet B C. 13 cabinet A and 0 cabinet B D. 3 cabinet A and 10 cabinet B