Determine whether the syllogism is valid or invalid.All astronauts are healthy.Lawrence is not healthy. ? Lawrence is not an astronaut.
A. Invalid
B. Valid
Answer: B
Mathematics
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Construct a truth table for the statement.(p ? w) ? (~w ? t)
A. 
| T | T | T | F |
T F T T
T F F T
F T T T
F T F F
F F T T
F F F T
B.
| T | T | T | T |
T F T F
T F F F
F T T F
F T F F
F F T F
F F F F
Mathematics
Find the average rate of change of the function from x1 to x2.f(x) = 5x + 7 from x1 = -1 to x2 = 0
A. -28
B. 5
C. 
D. - 
Mathematics
Graph the equation.
+ 
= 1
A. 
B. 
C. 
D. 
Mathematics
Determine whether the function exhibits linear or exponential growth. Find an algebraic expression representing the function. 
A. f(x) = 0.5x + 3 B. f(x) = 3(2.5)x C. f(x) = 3(0.5)x D. f(x) = -0.5x + 3
Mathematics