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yes; Use the distance formula to determine that none of the sides are equal.
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Only (a) describes a one-to-one function. (b) fails because
; similarly, (c) fails because
.
Answer:
3.2 ft
Step-by-step explanation:
The initial distance from the base of the ladder to the wall is:
After moving the ladder, the distance from the base to the wall is 12 - 2x while the height of the ladder is 16 + x. The distance x is given by:
Therefore, the top of the ladder is 3.2 ft higher now.