Answer for brainilest 11 points

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Apossible wavelength for the color blue is 0.000000492 meter. which of the following is a reasonable estimate for this wavelength for the color blue? a. 5 × 10-6 m b. 5 × 107 m c. 5 × 10-7 m d. 5 × 106 m

Use corrrct notations to name the sides