52. Kite ABCD has a longer diagonal AC with a length of 20in and a shorter diagonal BD with a length of 15in. The diagonals inte
rsect at point E. What is the length of BE?
2 answers:
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Hi,
The request actually is to choose functions whose derivative is a constant.
For A, derivative is , which is not constant.
For B, derivative is 2ˣ·ln2, which is not constant.
For C, derivative is 0, which is a constant.
For D, derivative is 1, which is a constant.
So, you can choose C and D.
Have you understood ?
Green eyes.