Question

Evaluate the difference quotient for the given function. Simplify your answer. f(x) = x + 8 x + 2 , f(x) − f(4) x − 4

Answer 1

difference quotient:
\[\frac{ f \left( x+h \right)-f \left( x \right) }{ h }\]is typically like this.
but for yours, simply do this:
\[\frac{ f \left( x \right)-f \left( 4 \right) }{ x-4 }\]

Answer 2

is it f(x) = x + 8x + 2 = 9x + 2 or is the first term supposed to be \(x^2\)?

Answer 3

I get as far as \[(\frac{ x+8 }{x+2 }-2)\div(x-4)\]

Answer 4

what is the function?

Answer 5

you there?

Answer 6

\[\frac{ x+8 }{ x+2 }\] is the function

Answer 7

okay, but write it like this:\[\frac{ \frac{ x+8 }{ x+2 }-2 }{ x-4 }\]then simplify the top and then divide by (x-4).
remember that you can multiply by the reciprocal to do the division.