Determine the vertex of the graph of the parabola.y = x2 + 7x + 10
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.Acetylene is a solvent frequently used to clean lubricants from machine components. Once used, the dirty solvent need not be discarded. It may be distilled to recover pure acetone from the soiled mixture. During a distillation cycle, 65% of the acetone can be recovered. Calculate the effective volume of 1 liter of acetone. [The effective volume is the original 1 liter plus the accumulated amount recovered from an infinite number of distillation cycles].
A. 2.857 L B. An infinite number of liters C. 1.538 L D. 1.650 L
Find the perimeter.Joe wants to frame his garden with pine lumber. How feet of lumber will he need?
A. 380 ft B. 542 ft C. 37,154 ft D. 532 ft
Provide an appropriate response.Use logarithmic differentiation to find 
from y = (x2 + x + 3)x2 - 1.
What will be an ideal response?
Use the given encoding matrix A to solve the problem.A message has been encoded and the matrix which the receiver gets is shown below. 
The encoding matrix A which was used to encode the message is: A =
Find the decoding matrix A-1, and use it to decode the message. Assume that the numerical assignment used was a = 1, b = 2, ....., z = 26, space = 30, period = 40, and apostrophe = 60.
A. DRINK ENOUGH MILK B. EAT YOUR VEGETABLES C. DRINK ENOUGH COKE D. EAT YOUR BROCCOLI