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# Write any equation of a line and sketch its graph for each of the following cases: positive slope b. negative slope c. zero slope d. undefined slope...

I'am having difficult with the attached practice questions for my Calculus course. Wondering if you can assist.
Write any equation of a line and sketch its graph for each of the following cases: a. positive slope b. negative slope c. zero slope d. undefined slope 4. If g(x) = 2x 3 -7 and f(x) =(x²-1) ^ , find (g f)(-1). 5. If f(x) = √1-x and g(x) = 1/(x-2), find (f g)(x) . 6. Find the range of (a) f(x) = |x-1| and (b) g(x) = |x| - 1 Express your answers in interval notation.

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