Which expression simplifies to 41? Choose all that apply! 10+ 2.4-1
10+ 2.(4 - 1)
(10 + 2). 4 - 1
10+ (22.4) - 1

Which of the following best describes the graph below? a. it is a function, but it is not one-to-one. b. it is a one-to-one function. c. it is not a function. d. it is a many-to-one function.

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).

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0