Use truth tables to test the validity of the argument.(p ? q) ? (q ? r)p ? r
A. Invalid
B. Valid
Answer: B
Mathematics
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Graph the inequality.y < 4 - x2
A. 
B. 
C. 
D. 
Mathematics
Evaluate the integral. 
Give your answer in exact form.
A. 
+ 
ln(2
)
B. 
+ 
ln(7 + 4
)
C. 
+ 
ln(7 + 4
)
D. 
+ 
ln 4
Mathematics
Solve the problem.A gas station sells 4820 gallons of regular unleaded gasoline on a day when they charge $1.35 per gallon, whereas they sell 3861 gallons on a day that they charge $1.40 per gallon. Find a linear function that expresses gallons sold as a function of price.
A. G(p) = -19,180p + 30,713 B. G(p) = -19,180p + 30,691.2 C. G(p) = -19,180p + 30,696.8 D. G(p) = -19,180p + 30,729
Mathematics
Multiply.(z - 9)(z2 + 9z + 2)
A. z3 - 18z2 - 79z - 18 B. z3 - 79z - 18 C. z3 + 83z + 18 D. z3 + 18z2 + 79z + 18
Mathematics