The company has 550 employees, 380 of them have higher education, and 412 have specialized secondary education, 357 employees have both higher and specialized secondary education. What is the likelihood that a randomly selected employee has either a secondary specialized, or higher education, or both?

answer:      

step-by-step explanation:

it has the same slope and a different y-intercept

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answer: on graphs, the open and closed circles, or vertical asymptotes drawn as dashed lines us identify discontinuities.

as before, graphs and tables allow us to estimate at best.

when working with formulas, getting zero in the denominator indicates a point of discontinuity.

when working with piecewise-defined functions, check for discontinuities at the transition points where one piece ends and the next begins.

step-by-step explanation: