Use the reference angle to find the exact value of the expression. Do not use a calculator.csc 

A. - 
B. -
C. -
D. - 

Answer: D

Mathematics

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A. y5
B. y10
C. y
D. 5

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Mathematics

Solve the equation.7z - z = 20 - 8

A. 2 B. -6 C. -2 D. 6

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Mathematics

Provide an appropriate response.The graph of the function y = f(x) = x2/3 is shown below. The "V"-shaped graph comes to a sharp point at  Without doing any calculations, decide whether the function has a tangent at   Give reasons for your answer. [Hint: consider the signs of the tangent lines on either side of  and what implication this has in terms of the limit definition of the slope of a tangent line.].

src="https://sciemce.com/media/4/ppg__trtds0603192150__f1q22g4.jpg" alt="" style="vertical-align: 0.0px;" height="224" width="224" /> What will be an ideal response?

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Mathematics

Perform the operation indicated. Simplify. +  + 

A.
B.
C.
D.

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Mathematics