Determine whether the relation is also a function.{(-4, 9), (-3, -7), (1, 1), (8, -7)}
A. yes
B. no
Answer: A
Mathematics
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Find the first four nonzero terms in the Maclaurin series for the function.f(x) = sin x cos x
A. x - 
x3 + 
x5 - 
x7 + . . .
B. x + 
x3 - 
x5 + 
x7 + . . .
C. 1 + x - 
x2 - 
x3 + . . .
D. x - 
x3 + 
x5 - 
x7+ . . .
Mathematics
Do the graphs intersect in the given viewing rectangle? If they do, how many points of intersection are there?
 figure 1.png)
Mathematics
Convert from polar coordinates to rectangular coordinates to three decimal places.
(8, ?/6) A) (6.928, 4) B) (4, 6.928) C) (13.856, 8) D) (8, 13.856)
Mathematics
Use Cramer's rule to solve the linear system. If D = 0, use another method to determine the solution set. x - 6y = -24-6x - 5y = -20
A. {(0, 4)} B. Cramer's rule does not apply since D = 0; ? C. {(-4, 0)} D. {(1, 3)}
Mathematics