Answer:B
Step-by-step explanation:
Individual value of x gives only one certain value of f(x)
2 different value of x will not result in same value of f(x)
Thus it is one-one
Answer:
and 
Step-by-step explanation:
We will take numbers to one side and variables to one side eliminate the "Square" with "Square Root" and solve for the variable x. The process is shown below:

Now, we need to reduce the radical by using the rule shown below:

Now,

The correct answer is
and 
<u>Note:</u> squaring positive and negative makes the same answer
85 / 15 = 5 2/3
30 x 5 = 150
2/3 x 30 = 20
The answer is 170 seconds, or 2 minutes and 50 seconds
Answer:
37
Step-by-step explanation:
4 x 9 = 36
36+1 = 37
Answer:
3.1415926535 8979323846
Step-by-step explanation: