PHOTOS A photo-book company offers two options. A 12-page hardbound book costs $30 and $0.75 for each extra page. A 12-page soft-back book costs $20 and $1.50 for each extra page. Let x represent the number of extra pages and y represent the total cost. Which system of equations describes the total cost of each option?

Multiple choice question.

A)
y=0.75x and y=1.50x

B)
y=0.75x+30 and y=1.50x+20

C)
y=1.50x+30 and y=0.75x+20

D)
y=30x+0.75 and y=20x+1.50

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Which graph represents the equation y =4x

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)