Answer:
-4 ≤ f () ≤ 4
Step-by-step explanation:
The range of a function is the allowed y-values of the function.
We can simply look at the periodic function below and see that the y-value ranges from a negative 4 to a positive 4. It oscillates betwen -4 and 4. That is the range.
We can say -4 ≤ f () ≤ 4
Last answer choice is right.
*** <u>NOTE:</u> it is a type, not "0", rather ""
Fraction of shampoo left =
Solution:
Given fraction of full shampoo .
Fraction of shampoo Margaret used
Fraction of shampoo left = Full shampoo – fraction of shampoo used
To make the denominators same do cross multiplication.
Hence of the shampoo bottle is left.