Determine whether (f(g(x)) = x and whether (g (f(x)) = x.f(x) = x3 + 9, g(x) = 
A. No, yes
B. Yes, no
C. No, no
D. Yes, yes
Answer: D
Mathematics
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Provide an appropriate response. Rolland's pay stub showed a 10% deduction for state tax, a 28% deduction for federal taxes, 6.6% for social security tax, a 7% pension plan deduction, and a $150 annuity plan deduction. His gross for the month was $2,742.44. What was his net pay?
A. $1,327.3 B. $1,265.10 C. $1,177.34 D. $1,415.10
Mathematics
Solve.Are these three numbers a Pythagorean triple? 8, 15, 17
A. Yes B. No C. Not possible to determine
Mathematics
Subtract.4.965 - (-0.78)
A. 5.845 B. 5.745 C. 4.185 D. 3.873
Mathematics
Solve the problem.Find a so that the vectors v = i + aj and w = -3i + 2j are orthogonal.
A. 
B. - 
C. 
D. - 
Mathematics