Find the discriminant. Then use it to determine the number and type of solutions to the quadratic equation. Do not solve the equation.5x2 - 29x - 6 = 0
A. 841; two real solutions
B. 721; two non-real solutions
C. 841; one real solution
D. 961; two real solutions
Answer: D
Mathematics
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Using the Divergence Theorem, find the outward flux of F across the boundary of the region D.F = x
i + y
j + z
k ; D: the thick cylinder 4 ? x2 + y2 ? 6 , 
A. 
?
B. 2432?
C. 
?
D. 
?
Mathematics
Use the graph to evaluate the expression.Find (f ? f)(-1) and (g ? g)(4).
A. (f ? f)(-1) = 1; (g ? g)(4) = 2 B. (f ? f)(-1) = 3; (g ? g)(4) = 2 C. (f ? f)(-1) = 7; (g ? g)(4) = 0 D. (f ? f)(-1) = 5; (g ? g)(4) = 0
Mathematics
Write the imaginary number in terms of i.
A. 11i
B. ± 11
C. -i
D. -11i
Mathematics
Multiply.× 
A. 1.48 B. 2.58 C. 4.1 D. 1.59
Mathematics