Solve the equation by the quadratic formula.x2 + 16x + 41 = 0
A. 8 + 
B. 8 ± 
C. -8 ± 
D. -16 + 
Answer: C
Mathematics
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A spherical balloon is being inflated. Find the rate of increase of the surface area 
with respect to the radius r when r = ft.
What will be an ideal response?
Mathematics
Determine whether the system is a nonlinear system or a linear system.
A. linear system B. nonlinear system
Mathematics
Simplify the expression.2-6 ? 25
A. 
B. 1
C. 
D. 2
Mathematics
Evaluate. Assume u > 0 when ln u appears. 
A. 
+ C
B. 
+ C
C. 
+ C
D. [ln (t7 + 2)]2 + C
Mathematics