Which equation could be represented by the number line? O A. 3+(-1) = 2
B. -3+4 = 1
C. -1+(-3) = -4
O D. 1 + 3 = 4

Which graph corresponds to the function f(x) = x2 + 4x – 1?

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)

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²