Add and write the resulting polynomial in descending order of degree.(3n5 + 4n + 8n2) + (-5n2 + 5n5 + 5n)
A. 20n8
B. 9n5 - 2n2 + 13n
C. 8n5 + 3n2 + 9n
D. 8n + 3n5 + 9n2
Answer: C
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Solve the problem.The velocity field F of a fluid has a constant magnitude k and always points towards the origin. Following the smooth curve y = f(x) from (a, f(a)) to (b, f(b)), show that the flow along the curve is 
ds = k[(a2 + (f(a))2)1/2 - (b2 + (f(b))2)1/2]
What will be an ideal response?
Solve the problem.A professor's contract promises a 1.5% salary increase each year for 9 years. The professor has an initial salary of $25,000. The salary function is 
where t is the time, in years, since the professor signed the contract. Graph the salary function. At what values of t is f continuous?
A. 
Continuous for t?1,2,3,4,5,6,7,8,9,10
B. 
Continuous for t?1,2,3,4,5,6,7,8,9,10
C. 
Continuous for all values of t
D. 
Continuous for all values of t
Change to a mixed number.
A. 16
B. 
C. 113
D. 113
Solve.a2 + 14a + 33 = 0
A. 44, -11 B. 3, 11 C. -3, -11 D. - 4, 4