Select all the ways that describe the graph of the function in interval 2.(multiple choice) a. function is increasing
b. the slope in negative
c. function decreasing
d. the function is constant
e. slope is positive

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.