Answer:
yes because any input of time results in only one output of altitude
yes because the airplane increases and decreases in altitude at the same rate
pick either one :>
D. 16.8 units
A radius is half of the diameter, so to get the answer all you need to do is multiply the length of the given radius by 2.
8.4x2= 16.8
The slope is the coefficient of x, which is 10, and the y-intercept is the constant, which is 5.
