Question

F(x) =2x-6 and g(x) = 7x +7.

i. Find f(x) = g(x).
ii. Find f(x) -g(x)
iii. Find f(x) + g(x)

Answer 1

i. 2x-6=7x+7 ii. 2x-6-7x+7 iii. 2x-6+7x+7

2x=7x+13 -5x+1 9x+1

0=5x+13

-13=5x

x=-13/5