Point-slope form: y-y1=m(x-x1)
y-2 = -8(x+8)
y-2 = -8x-64
y = -8x-62
Perpendicular = reciprocal
-8 becomes 1/8
Answer: y = (1/8)x - 62
A) $200.87
231------------------115%
X-----------------------100%
115x = 231x100
115x = 23100
Divide both sides by 115
X= 200.86956523
X= 200.87
The computation shows that the values of Δy and dy will be 0.572 and 0.4 respectively.
<h3>How to compute the values?</h3>
The value of Δy will be computed thus:
Δy = y(x + Δx) - y(x)
= y(1.1) - y(1)
= 0.5(1.1)⁸ - 0.5(1)⁸
= 0.572
The value of dy will be:
= y'(x)dx
= (0.5)⁸ × x⁷(0.1)
= 0.4 (1)⁷
= 0.4
Learn more about finding values on:
brainly.com/question/25927269
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