Answer: The period of the given function is 10
Step-by-step explanation:
The period of a function is the distance required to complete a full cycle (In which the portion of the graph repeats itself however in both direction)
Since, by the given diagram,
After 10 unit, the one cycle of the function is completed,
⇒ The period of the given function is 10.
notice, -2 is a valid value for the quadratic, however, the argument value for a logarithm can never 0 or less, it has to be always greater than 0, so for the logarithmic expression with (x-2), using x = -2 will give us a negative value, so -2 is no dice.
ANSWER
A. y=3.4x
EXPLANATION
It was given that, the time (y) is directly proportional to the number of items (x).
We can write this mathematically as:
If we introduce the constant of proportionality, we obtain;
If y=17 and x=5, then,
Hence the equation that models the situation is;