Find the range of the given function.f(x) = 2x2 + 12x + 23
A. (-?, -5]
B. [5, ?)
C. [-3, ?)
D. (-?, 3]
Answer: B
Mathematics
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Solve the problem. Round to the nearest cent unless otherwise noted.The amount of markup on a store item is $18. Find the cost to the store if the markup is 20%.
A. $3.60 B. $15.00 C. $90.00 D. $21.60
Mathematics
Solve the equation.4-x = 
A. 
B. 
C. {2}
D. {-2}
Mathematics
Let p represent a true statement, and let q and r represent false statements. Find the truth value of the given compound statement.(p ? ~q) ? r
A. False B. True
Mathematics
Find the phase shift of the function.y = 4 cos (3?x + 2)
A. 
units to the left
B. 2 units to the left
C. 
units to the right
D. 2 units to the right
Mathematics