Determine whether the relation is a function.Tips earned by servers at a restaurant one evening:
A. A function
B. Not a function
Answer: A
Mathematics
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Evaluate the work done between point 1 and point 2 for the conservative field F.F = 9 sin 9x cos 8y cos 4zi + 8 cos 9x sin 8y cos 4zj + 4 cos 9x cos 8y sin 4zk ; P1(0, 0, 0) , P2
A. W = 1 B. W = -2 C. W = 2 D. W = 0
Mathematics
Suppose 
is a linear function with 
and 
data-wiris-created="true" varid="variable_id_field" variablename="impvar_37f4cbe67ae94aa4a28d86a92" />. Find an equation for 
.
?
A. 
B. ?
C. 
D. 
Mathematics
Solve the equation.
(10x - 20) = 
(8x - 4)
A. 1
B. -1
C. -6
D. 
Mathematics
Find the first two nonzero terms of the Maclaurin expansion of the given function.f(x) = sec2 x
A. 1 + x2 + ... B. 1 + 2x2 + ... C. 1 - 2x2 - ... D. 1 - x2 - ...
Mathematics