Lorraine writes the equation shown. x squared + y minus 15 = 0

She wants to describe the equation using the term relation and the term function.

The equation represents

896.31 cm= km 100cm = 1m 1000m = 1km a) 0.0089631 b) 0.0089631 c) 8.9631 d) 89.631

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)

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3