Determine whether the equation is an identity, a conditional equation, or an inconsistent equation.2x + 7x = 8x
A. Identity
B. Conditional equation
C. Inconsistent equation
Answer: B
Mathematics
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Solve the problem.The functionE(x) = 0.0033x3 - 0.0046x2 + 0.177x + 1.65gives the approximate total earnings of a company, in millions of dollars, where x = 0 corresponds to 1996, x = 1 corresponds to 1997, and so on. This model is valid for the years from 1996 to 2000. Determine the earnings for 1999.
A. $2.5 million B. $2.23 million C. $2.01 million D. $2.31 million
Mathematics
The polar coordinates of a point are given. Find the rectangular coordinates of the point.(-3, -135°)
A. 
B. 
C. 
D. 
Mathematics
Find f-1(x).f(x) = x3 - 3
A. No inverse function exists.
B. f-1(x) = 
C. f-1(x) = 
+ 3
D. f-1(x) = 
Mathematics
Using a fraction, represent the part of the whole region that is shaded.
A. 
B. 
C. 
D. 
Mathematics