Solve the equation by using sum-to-product identities in the interval [0, 2?).sin3x + sinx = 0
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Write the negation of the conditional. Use the fact that the negation of p ? q is p ? ~q.If you can't take the heat, stay out of the kitchen.
A. You can take the heat and do not stay of of the kitchen. B. You can take the heat and stay out of the kitchen. C. You can't take the heat and do not stay out of the kitchen. D. You can take the heat but stay out of the kitchen.
Mathematics
Factor completely.2y2 - 8y - 90
A. (y + 5)(2y - 18) B. (2y + 10)(y - 9) C. 2(y2 - 4y - 45) D. 2(y + 5)(y - 9)
Mathematics
Round the number to the place indicated.Round to the nearest tenth: 1.4511
A. 1.4 B. 1.45 C. 1.6 D. 1.5
Mathematics
Use the definition of continuity to determine whether f is continuous at a.f(x) = 
a = 8
A. Continuous B. Not continuous
Mathematics