Answer:
Linear, the linear term is -21x and the constant term is -20. Last option is the answer
Step-by-step explanation:
We are given the following function:

First we have to simplify y, before solving the question:

Applying the distributive property:



No quadratic term, so it is linear.
The linear term is -21x and the constant term is -20.
1/2 of an hour is = 30
288 / 4.30=67
The answer is 67 miles per hour.
65 is the answer. Solve the first equation and then plug in.