Find the exact value of the expression.cos 
sin 
- cos 
sin 
A. 
B. 
C. 
D. 1
Answer: C
Mathematics
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Graph the parabola whose equation is given.y = 4x2 + 40x + 98
A. 
B. 
C. 
D. 
Mathematics
Write the compound statement in words.Let p: Students are happy. q: Teachers are happy.~(p ? ~q)
A. It is not the case that students are happy or teachers are not happy. B. Students are not happy or teachers are not happy. C. It is not the case that students are happy and teachers are not happy. D. Students are not happy and teachers are not happy.
Mathematics
Factor, if possible.49y4 - 4
A. (7y2 - 2)2 B. Prime polynomial C. (7y2 + 2)(7y2 - 2) D. (7y2 + 2)2
Mathematics
Evaluate the function for the given value. Round to the nearest thousandth.f(x) = -ex; f(-3)
A. -0.055 B. -1.099 C. -0.050 D. -8.155
Mathematics