Given the functions f(x) and g(x), find the appropriate sum or difference function.f(x) = -10x4 + 5x2 + x and g(x) = 9x4 - 5x3 + 2x2 - 9Find f(x) - g(x).
A. f(x) - g(x) = -19x4 - 5x3 + 3x2 + x - 9
B. f(x) - g(x) = -19x4 + 5x3 + 3x2 + x + 9
C. f(x) - g(x) = x4 - 5x3 + 7x2 + x - 9
D. f(x) - g(x) = -x4 + 5x3 + 7x2 + x + 9
Answer: B
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Write an equivalent double integral with the order of integration reversed.
A. 
B. 
C. 
D. 
Solve the problem.The cost of manufacturing clocks is given by c = 64(n + 4)1/2, where c is the cost in dollars and n is the number produced. What is the cost when no clocks are produced?
A. $256 B. $128 C. $16 D. $64
Find all cube roots of the complex number. Leave answers in trigonometric form.64 cis 120°
A. 4 cis 
°, 4 cis 
°, 4 cis 
°
B. 4 cis 40°, 4 cis 80°, 4 cis 120°
C. 4 cis 40°, 4 cis 160°, 4 cis 280°
D. 
cis 40°, 
cis 160°, 
cis 280°
Simplify the expression.64
A. -1296 B. 24 C. -24 D. 1296