Express the given function H as a composition of two functions f and g such that H(x) = (f ? g)(x).H(x) = 
A. f(x) = 
, g(x) = 9x + 6
B. f(x) = x, g(x) = 9x + 6
C. f(x) = -
, g(x) = 9x + 6
D. f(x) = 
, g(x) = 9x - 6
Answer: A
Mathematics
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Determine whether the given function satisfies Laplace's equation.f(x, y, z) = 8x2 - 5y2 - 3z2
A. Yes B. No
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Find the derivative of the function.s = 
A. 
= 8t8 + 7t2 + 8t
B. 
= t3 - 
- 
C. 
= 4t3 - 
- 
D. 
= 4t3 + 
+ 
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Add or subtract.-21 + (-13)
A. 8 B. -8 C. 34 D. -34
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Solve the problem.Find the value of a retirement savings account with a monthly contribution of $50 (contributions made at the end of each month, including the last month), and an APR of 4.8% (compounded monthly) after 
years. Round your answer to the nearest cent.
A. $147,307.35 B. $134,013.40 C. $142,078.50 D. $138,420.00 E. $137,058.22
Mathematics