Provide an appropriate response.Which of the following expressions is equivalent to cos ? I. cos II. cos III. cos-17.0px;" />IV. -cos 



A. I and IV

B. III and IV

C. I and III

D. I and II

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Answer: C

Mathematics

Express the value of the inverse hyperbolic function in terms of natural logarithms.sech-1 

A. Undefined
B. ln  
C. ln 
D. ln 

State the end behavior of the graph of f.f(x) = 5x3

A. Down on left side, up on right side B. Down on both sides C. Up on left side, down on right side D. Up on both sides

Solve. Round to one decimal place when necessary. Due to a lack of funding, the number of students enrolled at City College went from 9000 last year to 2000 this year. Find the percent decrease in enrollment.

A. 450% B. 77.8% C. 22.2% D. 350%

Answer the question.Use two different methods to simplify the fraction. Explain each step of your work.

What will be an ideal response?