Solve for x. Round to the nearest tenth of a degree, if necessary

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

What statement is true? 2x^2-9x+2=-1

What are the domain and range of the function f(x)=2^x+1