You can solve the by dividing the change in y by the change in x. the answer should be D
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

.
Answer: A trinomial consisting of three terms.
Step-by-step explanation: An example of trinomial is 6x squared + 3x + 5.