Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = 8x, g(x) = 
A. No, yes
B. Yes, no
C. No, no
D. Yes, yes
Answer: D
Mathematics
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Find the derivative of y with respect to x, t, or ?, as appropriate.y = ln (4?e-?)
A. ln (4e-?(1-?))
B. 
C. e?
D. 
- 1
Mathematics
Provide an appropriate response.Is 
a solution of 2x2 + 5x = 12?
A. not a solution B. solution
Mathematics
Find the Social Security tax for the current pay period. Assume a 6.2% FICA rate up to a maximum of $110,000.Gross Earnings This Year: $100,717.37Current Period Earnings: $7934.55
A. $575.52 B. $569.32 C. $-83.58 D. $491.94
Mathematics
Find the sum of the sequence.
A. -15 B. -14 C. -1 D. -6
Mathematics