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89%, 24%, 11% and 76%

Step-by-step explanation:

hope this helps

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:

use distributive property on all like terms and change your signs if you have a double negative or if you have positive/negative