Determine whether the argument in the problem below is valid or invalid. If valid, name the type of reasoning and if invalid, determine the error in reasoning.
?
If 
, then 
.
Therfore, 
.
What will be an ideal response?
valid; indirect
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Determine the vertex of the graph of f.f(x) = 2x2 + 8x + 13
A. (2, -5) B. (5, -2) C. (-5, 2) D. (-2, 5)
Perform the indicated operation.(2p2 + 8p - p3 + 1) - (9p2 - 4p - p3 + 6)
A. -7p2 + 12p - 5 B. -8p2 - 2p3 + 4p - 5 C. -8p2 + 4p - 7 D. -7p2 - 12p - 7
Perform the conversion. Round to the nearest hundredth when necessary.8.5 gal to L
A. 32.22 L B. 9.01 L C. 2.24 L D. 8.04 L
Solve the problem.Doreen and Irena plan to leave their houses at the same time, roller blade towards each other, and meet for lunch after 2 hours on the road. Doreen can maintain a speed of 3.6 miles per hour, which is 40% of Irena's speed. If they meet exactly as planned, what is the distance between their houses?
A. 18 miles B. 10.08 miles C. 7.2 miles D. 25.2 miles