Study the steps shown to solve the given equation. V30-2x = x-3
30 – 2x = x2 - 6x + 9
0 = x2 - 4x - 21
0 = (x + 3)(x-7)
Based on the above work, possible solutions of the equation are

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:

pls refer ro the top for answer

the answer is  

a.

4,624π mm2

step-by-step explanation:

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