.5 Find and simplify the difference quotient quotiert-tixth).f(x) ,h # 0 for the

Question

.5 Find and simplify the difference quotient quotiert-tixth).f(x) ,h # 0 for the given function. 12) f(x) -7x -8 Use the given conditions to write an equation for the line in slope-intercept form. 13) Passing through (8,4) and (4,3) Solve. 14) An investment is worth $3553 in 1991. By 1994 it has grown to $4630. Let y be the va the year x, where x = 0 represents 1991, write a linear equation that models the value year x. Find the average rate of change of the function from x1 to x2. 15) f(x) =-3x2-x from x 1-5 to x2 = 6

Explanation / Answer

12)

f(x)=7x-8

{f(x+h)-f(x)}/h={7(x+h)-8-(7x-8)}/h=7h/h=7

Therfore the answer is seven

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