The function a ( t ) = 36 , 000 ( 1.045 ) t models John's annual earnings a , in dollars, t years after he starts his job. Which statements are true about John's salary?

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

What is another way to express 36 +32

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2