Question

A food packet is dropped from a helicopter and is modeled by the function f(x) = -16x2 + 14400. The graph below shows the height f(x), in feet, of the food packet at different times x, in seconds:

graph of function f of x equals 14400 minus 16 multiplied by x squared

Use the graph to determine the reasonable domain of f(x) based on the context.

0 ≤ x ≤ 30
0 ≤ x ≤ 14400
-30 ≤ x ≤ 30
all real numbers

Answer 1

@iGreen

Answer 2

I think C..because \(-30 \le x \le 30\) will start at (-30, 0), and go to (30, 0).

Either that or D..

Answer 3

which one is best to go with?

Answer 4

i thought C as well

Answer 5

I'll pick C and tagg in a different one