Question

Let f and g be two functions from R to R defined by f(x) = 5x-2 and g(x) = x² + 3 Find go f.​

Answer 1

Step-by-step explanation:

gof=g(f(x))

put the f(x) value in g(x) function:

gof= (5x-2)^2+3

25x^2+4-20x+3

25x^2+20x+7

factorise this equation and you will get value of x.