Use the formula 
, where 
to rewrite the trigonometric expression in the following form.
?
?
?
A. 6 
B. 
C. 
D. 13 
E. 13 
Answer: C
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Answer as requested.Which of the following pairs of variables is likely to have a negative correlation?
A. Interest rates and the number of real estate transactions B. The unemployment rate and the number of homeless people C. The price of jet fuel and the price of airline tickets. D. Height and weight.
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 0.32x + 4.29 B. y = 0.30x + 2.57 C. y = 0.32x + 2.57 D. y = 0.30x + 4.29
By graphing the function, visually estimate its domain and range.h(x) = |x| - 5
A. Domain: [5, ?); range: [5, ?) B. Domain: (-?, ?); range: [-5, ?) C. Domain: (-?, 5]; range: (-?, 5] D. Domain: (-?, ?); range: (-?, ?)
Solve the inequality. Express your answer in set notation.x2 ? 49
A. {x| -7 ? x ? 7} B. {x| -7 < x < 7} C. {x| x ? 7} D. {x| x ? -7 or x ? 7}