M Integrated Science_B-IC
Determining the Most Efficient Machine
Calculate the efficiency for each machine, then answer the question
Machine A has an input work of 1,000 J and an output work of 250 J.
Machine B has an input work of 500 J and an output work of 350 J.
Machine C has an input work of 200 J and an output work of 150 J.
Which machine is the most efficient?

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:

answer: the answer is   graph (a)