In 2005 there were 9million bicycles in Beijing
The function based on the information will be S = -0.005D + 95.
<h3>How to illustrate the function?</h3>
It should be noted that d is the distance from the starting point while S is the speed.
The points given are (0 95)( 4000, 75).
Slope = (75 - 95)(4000 - 0)
= 0.005
The equation will be:
S = -0.005D + 95
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The distance between any 2 points P(a,b) and
Q(c,d) in the coordinate plane, is given by the formula:<span>
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Using this formula we calculate the distances |PA|, |PB|, |PC|, |PD| and |PE| and compare to 5.





Answer: B and D
15) factor out cos: cos(x)(sin(x)+1)=0
Now this is true when either cos(x)=0 (x=pi/2 and 3pi/2)
Or when sin(x)=-1 (x=3pi/2)
So it's solutions are pi/2 and 3pi/2
Answer:
Constants: The terms which are free from variables.
Numerical coefficient: Number multiplied with a variable.
(i) Constant = -3
Term which is not constant = 5x
Numerical coefficient = 5
(ii) 5x-3
Constant = 11
Term which is not constant
Numerical coefficient = -2
(iii) 11-2y squared
Constant = -1
Term which is not constant = 2x
Numerical coefficient = 2
Therefore, the terms which are not constants are 5x,-2y squared,2x respectively and their numerical coefficients are 5, -2, 2 respectively.
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