Solve the equation.x2 + x + 4 = 0
A. 
± i
B. - 
± 
C. 
± 
D. - 
± i
Answer: D
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The argument has a true conclusion. Identify the argument as valid or invalid.All soda pops are carbonated.All diet colas are soda pops. All diet colas are carbonated.
A. Valid B. Invalid
Solve the problem. Use ? ? 3.14 when necessary.A shipping container has dimensions of 9 yd x 7 yd x 4 yd. What is its volume?
A. 252 yd3 B. 324 yd3 C. 112 yd3 D. 441 yd3
Add. Simplify the result whenever possible. 
y + 
y
A. 
y
B. 
y
C. 
y2
D. 
y2
Solve the problem.The function f(x) = 1 + 1.5 ln (x + 1) models the average number of free-throws a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two hours. After how many days of practice can the basketball player make an average of 6 consecutive free throws?
A. 29 days B. 107 days C. 105 days D. 27 days