Solve the equation using the quadratic formula. Simplify irrational solutions, if possible.x2 + 7x + 3 = 0
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the length of the curve.x = 
t2, y = 
(8t + 16) 3/2, 0 ? t ? 1
A. 
B. 9
C. 
D. 5
Mathematics
The demand equation is 
.
?
Compute the elasticity of demand and determine whether the demand is elastic, unitary, or inelastic at 
.
?
A. 
; elastic
B. ?
; inelastic
C. ?
; inelastic
D. 1; unitary
Mathematics
Solve the problem.An experienced bank auditor can check a bank's deposits twice as fast as a new auditor. Working together it takes the auditors 18 hours to do the job. How long would it take the experienced auditor working alone?
A. 36 hr B. 18 hr C. 27 hr D. 54 hr
Mathematics
Construct a truth table for the proposition.p ? ~q
A. 
B. 
C. 
D. 
Mathematics