Plot the point having the given polar coordinates.(1, 120°)
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Use Taylor's formula to find the requested approximation of 
near the origin.Quadratic approximation to 
A. 1 + x + 3y + 
x2 + 
y2
B. x + 3y + 
x2 + 
y2
C. 1 + x + 3y + 
x2 + 3xy + 
y2
D. x + 3y + 
x2 + 
xy + 
y2
Mathematics
Translate the phrase to an algebraic expression. Use x to represent "a number."Multiply a number by -15.
A. x ÷ (-15) or 
B. (-15) ÷ x or 
C. -15 + x
D. x ? (-15) or -15x
Mathematics
Evaluate the integral by using a substitution prior to integration by parts.
A. x[cos (ln x) + sin (ln x)] + C
B. 
[cos (ln x) - sin (ln x)] + C
C. x cos (ln x) + sin (ln x)+ C
D. 
[cos (ln x) + sin (ln x)] + C
Mathematics
Find the reciprocal.
A. 
B. 13
C. 
D. 
Mathematics