Translate the argument into symbolic form. Then use a truth table to determine whether the argument is valid or invalid. (Ignore differences in past, present, and future tense.)If this is Germany or Austria, then the signs are in German.
? This is Germany or Austria
What will be an ideal response?
p: This is Germany.
q: This is Austria.
r: The signs are in German.
(p ? q) ? r
r
----
? p ? q
Argument is invalid.
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You want a linearization that will replace the function over an interval that includes the point x0. To make your subsequent work as simple as possible, you want to center the linearization not at x0 but at a nearby integer x = a at which the function and its derivative are easy to evaluate. What linearization do you use?f(x) = 
, x0 = 35.9
A. 
+ 
x
B. 3 + 
x
C. 3 - 
x
D. 3 + 
x
Provide an appropriate response.Using the given frequency distribution table, find the grouped mean.Frequency Distribution of 25 Test Scores Class IntervalMidpointTallyClass Frequency45 - 4947/150 - 5452/155 - 5957//260 - 6462/165 - 6967/170 - 7472//275 - 7977///380 - 8482///385 - 8987///390 - 9492/////595 - 9997///3
A. 180 B. 1,975 C. 72 D. 79
Find the coordinates of the vertex for the parabola defined by the given quadratic function.f(x) = -7(x - 2)2 - 8
A. (2, -8) B. (-2, -8) C. (-8, 2) D. (-7, -2)
Find the probability of the compound event.Urn A has balls numbered 1 through 8. Urn B has balls numbered 1 through 3. What is the probability that a 4 is drawn from A followed by a 2 from B?
A. 
B. 
C. 
D. 