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Question

Let f(x)=x+1 and define s(x) to be the slope of the line through the points (0,0) and (x,f(x)). a. Evaluate: s(5)

and s(-2); b. Find an equation for s(x) in terms of x.

Note that fractional answers must be expressed like -5/6, and answers with exponents like (x^2-1)/(x+3). Use lower case letters.and do not use spaces in your answers.


Find the slope of the line through the points P and Q when:

a. P(1,3) and Q(x, x2+3x-1)

b. P(x, x2+3x-1) and Q(x+h, (x+h)2+3(x+h)-1)

 

Answer: (Write the variables or letters first, then the number, say x+h+1)

Top Answer

The questions are solved by using the equation of slope point equation , and more... View the full answer

New Doc 2020-02-11 14.52.10_1.jpg

Q f ( ) = x+1
S(x) = Slope of the line through point (0. 0 )
and ( x, f ( ) ]
a. Find S (5 ) = Slopet at x=5
dfix slope = d ( x+1 ) = 1
da
equation of point and slope
As we know that
Slope = Y-y,
1...

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