Provide correct answers 1. If f(x)= 5x-7, what is the equation of the tangent li

Question

Provide correct answers

1. If f(x)= 5x-7, what is the equation of the tangent line to the graph of f at x= A?

a. y-a= 5(x-a)-7

b. y=5(x-a)+(5a-7)

c. y-(5x-7)=5(x-a)-7

d. (y-5x+7)/(x-a)=5

2. The tangent line to the graph y=g(x) at the pount (1,6) passes through the point (8,5). Determine each of the folowing. Provide answer in a/b form

1. g(1)

2. g'(1)

3. Find the constant a so that f(x)= {8x^2, x > 1   is continous on the whole real number line.

                                                        {ax-4, x,1

4. Which of the followin expressions represents the derivative of tan(x) at a= 2pi/3

Explanation / Answer

1 -> b

2 -> 1 -> 6

       2 -> -1/7

3 -> 12

4 -> c

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