Which is an appropriate domain for the function A?
a. The set of all real numbers
b. The set of all positive real numbers
c. The set of all Integers
d. The set of all positive integers

Explain how you know.

Which is the correct description of function A?
a. Linear and decreasing
b. Linear and increasing
c. Nonlinear and decreasing
d. Nonlinear and increasing

Explain how you know.

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?