Is this equation True, False, or Open? 3 = x - 4

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

Which of the following tables represents exponential functions?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?