Find the distance between the pair of points.(4, 2) and (0, -1)
A. 25
B. 6
C. 5
D. 10
Answer: C
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Find the inverse of the function.f(x) = 
for x ? 5
A. f-1(x) = x + 5 B. f-1(x) = x2 - 5 C. f-1(x) = x2 + 5 D. Not invertible
Convert to decimal notation.- 
A. -0.
B. -0.
C. -0.1
D. -0.2
A contest winner’s prize is a free round-trip airline ticket to any city in Europe, with an unlimited stay over. While there, the contestant wants to travel to five other cities before returning to the original airport for the return flight home. The table below shows the one-way airfares between the cities. Beginning with A, find a sequence of cities that can be followed to give the lowest total airfare and give that airfare. Use the Edge-Picking Algorithm.
Evaluate the discriminant, and predict the type and number of solutions.3x2 - 12 = 0
A. 144, two different rational B. 144, two different irrational C. -144, two different imaginary D. 0, one rational