Triangle efg is dilated by a scale factor of 3 centered at (0, 1) to create triangle e'f'g'. which statement is true about the dilation?

  EH and E'H' both pass through the center of dilation.

Step-by-step explanation:

Point H is the center of dilation. It is "invariant." Any line through point H will have an image that also goes through that point. Any line not through that point will not overlap its image.*

No image segment will be congruent with its original segment. Lines that are not parallel before dilation will not be parallel after dilation. (Their slopes are not changed by dilation.)

* If we were to define point J as (0, 1.5), its image would be J'(0, 4.5), which would make JE overlap J'E'. If JE (or J'E') were extended, it would go through point H, so this observation is not in violation of the statement made above regarding a line overlapping its image.

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explanation:

infrared radiation has wavelength in the range between 700 nm and 1 mm. lets' convert these values into scientific notation, keeping in mind that:

let's start from the lower value, we have:

(we moved the dot two places to the left, so we increased the exponent by 2 units, from -9 to -7)

the higher value is:

so, the range of wavelength of infrared radiation is: