Question

Let f(x) = 2- x^2 and g(x) = x^2 -2. How do you solve f(x) = g(x) ?

Answer 1

Answer:

x=√2

Step-by-step explanation:

1. substitute f(x) and g(x) for the expressions in terms of x

2-x^2=x^2-2

2. solve for x

2x^2=4

x^2=2

x=√2