Three swimmers competeted in a 50 m freestyle race. A description of their swimming speeds is given. Order ghe swimmers from fir
2 answers:
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Answer:
slope = -
Step-by-step explanation:
Differentiating implicitly with respect to x
2x + 2y = 0
2y = - 2x
= -
= -
is the measure of the slope of the tangent
rearrange equation to find corresponding y-coordinate of x = - 2
y² = 16 - 4 = 12 = 2 ⇒ y = ± 2
using x = - 2, y = - 2, then
= -
= -