Add the numbers using the number line.-9 + (-3)  

A. -12
B. -6
C. 12
D. 6

Answer: A

Mathematics

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Find dy/dx by implicit differentiation. If applicable, express the result in terms of x and y.(y2 + 3)3 = x3y - 4

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B.
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The function f is one-to-one. Find its inverse.f(x) = 5x - 7

A. f-1(x) = 
B. f-1(x) = 
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D. f-1(x) =  - 7

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Find the exact value of the trigonometric expression without the use of a calculator.cos 35° cos 25° - sin 35° sin 25°

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Refer to the figure in following problems. Answer True or False.



1. AB\\CD
2. m? = m?3
3. m?1+m?3 = m?ADC
4. AB = CD
5. m?2 = 40°

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