Answer:7.5
Step-by-step explanation: cause I looked it up lol
Answer:
Not a function.
Step-by-step explanation:
It is not a function since it does not pass the vertical line test.
Answer:

Step-by-step explanation:
the minimum of f is for x = 1 and f(1)=0
f is decreasing for x<=1 and increasing for x>=1
so the domain is 

x>=1 so x is positive and we can take the square root
so 
Answer:

Step-by-step explanation:
remember: tan(theta) = opposite/adjacent
Answer:
Jackson spent $59.48 altogether
Step-by-step explanation:
15.98+19= 34.98
34.98+24.50= 59.48