For the function f(x) = 3x + 2, evaluate...

Question

For the function f(x) = 3x + 2, evaluate f(x)-f(a)/a-x

Answer 1

hi,

f(x)-f(a)/a-x I think your mean is

[f(x)-f(a)] / (a-x )

f(x) = 3x + 2=====> f(a) = 3a + 2

[f(x)-f(a)] / (a-x ) = [ 3x + 2 - 3a - 2 ] / (a-x) ======> 3(x - a ) / (a-x) = -3

I hope it is useful,

Minoo