Question: fWhen plucked, the high E string on a guitar has a frequency of 330 cycles per second. What sine function represents this note when it

\fWhen plucked, the high E string on a guitar has a frequency of 330 cycles per second. What sine function represents this note when it is graphed with an amplitude of 1.5 units? Let x represent the number of seconds. Enter your exact answer in the box. f(X)=: \f\fThe equation 37 = O.37x2 + 6.1536 + 52.3 approximates the average temperature in October in degrees Fahrenheit at an agricultural community X hours after 5 am. What is the best estimate for the average temperature in October at 2 p.m.? 0 64F 0 67F 0 71F 0 78F Use a graphing calculator or other technology to answer the question. Which quadratic regression equation best fits the data set? 0 y = 1354.14x2 379.14x + 32.86 0 57 = 32.86x2 379.14x + 1354.14 0 y = 32.86x2 + 379.14x 1354.14 0 32' 32.86):2 379.14x 455 401 388 211 299 323 678 What is the graph of the function f (x) = - [x + 2)? 4- 3- 02- -O NO O O +> x O 1 -3-2-11- 13 3 -4 -3-2 -1 4 1 2 3 o No 2 - O O -O O - X O -4 -3-2-11- 2 - X -4 -3-2 -140 1 2 3 2 0-2- 0-3- O -3What is the graph of the function f (x) = - [x + 2)? 4- 3- 02- -O NO O O +> x O 1 -3-2-11- 13 3 -4 -3-2 -1 4 1 2 3 o No 2 - O O -O O - X O -4 -3-2-11- 2 - X -4 -3-2 -140 1 2 3 2 0-2- 0-3- O -3Use a graphing calculator or other technology to answer the question. Which quadratic regression equation best fits the data set? 0 O E) '

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