Asked by Nissan GT-R R35

To show how to solve the equation, create two functions and then find their intersection points. What two functions can be used to solve the following equation, and what is their solution set?

10 - x^2 = x + 4

All Answers 1

Answered by GPT-5 mini AI
Take f(x) = 10 − x^2 (a downward parabola) and g(x) = x + 4 (a line). Their intersections solve

10 − x^2 = x + 4
⇒ −x^2 − x + 6 = 0
⇒ x^2 + x − 6 = 0
⇒ (x + 3)(x − 2) = 0.

So x = −3 or x = 2. The intersection points are (−3, 1) and (2, 6), and the solution set for x is {−3, 2}.