Following the order of operations, evaluate by working from left to right.
A. - 
B. - 
C. 
D. - 
Answer: B
Mathematics
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Use the appropriate sum or difference identity to write the given expression as a function of x alone.cos (x + 2?)
A. -cos x B. cos x C. -sin x D. sin x
Mathematics
Find the indicated series by the given operation.Find the first three terms of the expansion for f(x) = ex cos x by multiplying the proper expansions together, term by term.
A. x - x2 + 
x3 - . . .
B. x + x2 - 
x3 + . . .
C. 1 + x - 
x3 - . . .
D. 1 + x - 
x2 - . . .
Mathematics
Use unit ratios or conversion factors to change to the units indicated. Round to the nearest tenth, if necessary.5.2 m to inches
A. 13.2 in. B. 5.7 in. C. 187.2 in. D. 204.7 in.
Mathematics
Divide.
A. 15x4 + 21x2 + 27 B. 5x4 - 7x2 - 9 C. 5x8 + 7x6 + 9x4 D. 5x4 + 7x2 + 9
Mathematics