If the graph of the function f is a line with slope 2, which of the following could be the equation of f?
A. f(x) = 4x – 2
B. f(x) = 2x+4
C. f(x) = -2x - 2
= 2
D. f(x) ==x+2
2
1 1
E. f(x)= 3x+
2 2

50 points! antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126 a. the attendance was never the same at both plays. b. the attendance was the same on day 5. the attendance was 231 at both plays on that day. c. the attendance was the same on day 13. the attendance was 295 at both plays on that day. d. the attendance was the same on days 5 and 13. the attendance at both plays on those days was 231 and 295 respectively.

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.