A rock is dropped from a height of 100 feet. Calculate the time between when the rock was dropped and when it landed. If we choose "down" as positive and ignore air friction, the function is h(t)=36t^2-64 a. t=3.56 seconds
b. t=1.78 seconds
c. t= 8 seconds
d. t= 1.33 seconds

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hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

yes   because as the functions are graphed they eventually will intersect unless otherwise

step-by-step explanation: