Solve the following compound inequality. 5x+7 is less than or equal to -3 or 3x-4 is greater than or equal to 11

a. x ≤ -15 or x ≥ 12

b. -2 ≤ x ≤ 5

c. x ≥ 5

d. x ≤ -2 or x ≥ 5

Amaple syrup producer records th amount of sap collected from each of his trees. the line plot shows the results for one day. what is the least amount of sap any one tree produced?

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)