Find the inverse of the function.f(x) = 
- 4 for x ? 0
A. f-1(x) = x + 4
B. f-1(x) = -(x + 4)2
C. f-1(x) = (x + 4)2
D. f-1(x) = (x - 4)2
Answer: C
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Solve the problem.A ramp leading to the entrance of a building is inclined upward at an angle of 9°. A suitcase is to be pulled up the ramp by a handle that makes an angle of 29° with the horizontal. How much force must be applied in the direction of the handle so that the component of the force parallel to the ramp is 50 lbs.?
A. 52.62 lbs B. 46.98 lbs C. 60.90 lbs D. 56.46 lbs
Evaluate the function as indicated.Find f(1) using the graph of f provided below.
A. -2 B. -4 C. -5 D. -3
Solve the equation by completing the square.x2 + 5x - 5 = 0
A. 
B. {-5 - 3
, -5 + 3
}
C. 
D. 
Solve the problem.How many 3-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 if the first digit cannot be 0? Repeated digits are allowed.
A. 504 B. 810 C. 729 D. 900