Question

Graph the functions on the same coordinate plane. f(x)=7 and g(x)=x^2+2x-8 . What are the solutions to the equation f(x)=g(x)?

Answer 1

If we use a graphing tool, we can plot both graphs and find the solution quickly

g(x)=x^2+2x-8 =7 =f(x)

The solutions are x1 =-5 , x2 = 3