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Part C: Determine the y-intercepts of both functions and explain what this means in the context of the problem. Ionly need help with part C
ok, it's asking for the y-intercepts, so we set t = 0 and find f(t) and g(t) when t = 0, what does f(t) = ?
I dont know, this part is confusing me!
t = 0 f(t) = -16t^2 + 26t = ?
replace "t" with "0" and find f(t)
I dont understand, im having a moment
let's break it down step by step t = 0 -16t^2 = __ fill in the blank
good, -16t^2 = 0
next step: t = 0 26t = ?
good. so f(t) = 0 when t = 0 that means the y-intercept of f(t) is 0
now, are you ready to find the y-intercept of g(t)?
I think i get lost when you said f(t)= 0 when t = 0?
ok, we are given the function f(t) = -16t2 + 26t to find the y-intercept, we must find the value of f(t) when t = 0, is that clear?
so we replace the ts with zeros?
so, when t = 0 f(t) = -16t^2 + 26t = -16(0^2) + 26(0) = 0, is that clear?
right, and we calculate that out f(t)=16(0)^2+26(0) = 0
so our y-intercept is 0, is that clear?
I dont understand
how do we find the y intercept
we just found the y-intercept...
to find the y-intercept, we set t = 0 and find f(t)
so i dont understand
the y intercept is out equation?
the y-intercept is a number, and to find that number, we find f(t) when t = 0
is that clear?
y-intercept = 0
so its just zero?
Oh, hah. thank you so much! :)
alright, but we're not done yet, now we need to find the intercept of g(t)
read the table, and tell me what g(t) equals when t = 0
oh goodness im not at this... uh 0 and 1.2?
im not good at this*
i dont know
look at the table again look at the row where t = 0 what number is on the right hand side?
good, so the y-intercept of g(t) is 0
ok, it also asks you to explain what the y-intercepts mean in the context of the problem we know that t represents time, so when t = 0, time = 0 seconds f(t) represents the height of the labrador, and g(t) represents the height of the foxhound since both y-intercepts are 0, that means that both dogs start off at a height of 0
that should be it for the problem