Question

If f(x)=1.2x-3.5 and g(x)=-0.3x+5.8 what is the value of x if f(x)=g(x)?

Answer 1

x = 6.2

Explanation:

Equate the two functions and then solve the resulting equation for x:

1.2x - 3.5 = -0.3x + 5.8, or

1.5x = 9.3

Dividing both sides by 1.5 yields:

x = 9.3/1.5 = 6.2