Please share whatever knowledge you have for these 2 mathematical topics: 1. Direct and Indirect Proportion/Variations
2. Indices and Standard Form

I'll really appreciate if you take your precious time out. If I had any further queries on your answer I'll ask through comments, hope you'll reply. Thank you! ​​

to rewrite a literal equation you may need to divide by a number, or by a variable.

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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: