the graph shows the cost of buying concert tickets. Tell whether x and y show direct variation. if so, find and interpret the concept of proportionality, k. then write an equation and find the cost of 14 tickets.

the answer is y < -3 or   y > 3

-3y > 7 + 2

-3 y > 9

y < -3

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step-by-step explanation:

answer: approximately 206 bones

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the system of inequalities is

step-by-step explanation:

step 1

find the equation of the dashed line

we have the points

(0,0) and (3,1)

the line passes through the origin, so, is a direct variation

find the slope

the equation of the dashed line is

the solution of the inequality a s the shaded area above the dashed line

therefore

the equation of the inequality a is

step 2

find the equation of the solid line

we have the points

(4,0) and (0,4)

find the slope

the equation of the solid line is

the solution of the inequality b s the shaded area below the solid line

therefore

the equation of the inequality b is

step 3

the system of inequalities is