The cost, c(x), for a taxi ride is given by c(x) = 2x + 2.00, where x is the number of minutes.
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Let y= mx-2 be the tangent line to y=x^2-4x+2 at x=a.
Then slope,
Hence the equation is y=(2a-4)x-2
Let's find y-coordinate at x=a using tangent line and curve.
Using tangent line y at x=a is (2a-4) a -2
Using given curve y-coordinate at x=a is
Let's equate these 2 y-coordinates,
a=2 or -2.
If a=2,
If a=-2,
Hence m values are 0 and -8.
Answer:
see explanation
Step-by-step explanation:
The lower quartile is positioned at the left side of the box, that is
= - 4
The upper quartile is positioned at the right side of the box
= 6