Question

A Siamese Fighting Fish, also known as a Betta fish, is one of the most recognized and colorful fish kept as a pet. The acceptable range of water pH level for a male Betta fish is between 6.8 - 7.4. Write a compound inequality that describes the acceptable level of pH in the water.
a. 6.8 < x < 7.4

b. 6.8 > x > 7.4

c.6.8 >_ x >_ 7.4

d. 6.8 <_ x <_ 7.4