To model half-life, use the formula

. Here,

is the amount remaining after a length of time

.

is the amount that you start with.

is the half-life. You plug in 50 for

, 10 for

, and 25 for

. You get

.
The graph says it shows ...
.. A) The height of students.
f(x) cannot be 0 or less than zero, but can approach+ infinity
Answer is (0, ∞)
Answer: just follow these simple steps!
Step-by-step explanation:
1. Estimate the quotient.
2. Perform the division. Remember to place a zero in the quotient when the divisor is larger than the dividend. ...
3. Compare your estimate with your quotient to verify that the answer makes sense.
Answer:
i think it is B i am not sure
Step-by-step explanation: