Find the domain of the rational function.f(x) = 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Rewrite the division as a multiplication.7 ÷ 15
A. 7 ? 
B. 15 ? 
C. -7 ? 15
D. 7 ? -15
Mathematics
Write the sum without sigma notation and evaluate it.
A. 2 cos ? + 2 cos 
+ 2 cos 
+ 2 cos 
= 3 + 
B. 2 cos ? + 2 cos 
+ 2 cos 
+ 2 cos 
= -2 + 
+ 
C. 2 cos ? + 2 cos 
+ 2 cos 
+ 2 cos 
= -1 + 
D. 2 cos ? + 2 cos 
= -2 + 
Mathematics
Solve the application problem.The product of two negative consecutive integers is 55 more than their sum. Find the integers.
A. 8, 9 B. 7, 8 C. -8, -7 D. -7, -6
Mathematics
Solve.5x2 - 5y2 = 245 4x2 + y2 = 196
A. (-7, 14
), (7, 14
)
B. (-7, 0), (7, 0)
C. (0, -7), (0, 7)
D. (-7, -14
), (-7, 14
), (7, -14
), (7, 14
)
Mathematics