anonymous
  • anonymous
Can someone explain this? Will medal and fan! The function f(t) = 4t2 − 8t + 7 shows the height from the ground f(t), in meters, of a roller coaster car at different times t. Write f(t) in the vertex form a(x − h)2 + k, where a, h, and k are integers, and interpret the vertex of f(t).
Mathematics
  • Stacey Warren - Expert brainly.com
Hey! We 've verified this expert answer for you, click below to unlock the details :)
SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
f(t) = 4(t − 1)2 + 3; the minimum height of the roller coaster is 3 meters from the ground f(t) = 4(t − 1)2 + 3; the minimum height of the roller coaster is 1 meter from the ground f(t) = 4(t − 1)2 + 2; the minimum height of the roller coaster is 2 meters from the ground f(t) = 4(t − 1)2 + 2; the minimum height of the roller coaster is 1 meter from the ground
imqwerty
  • imqwerty
by checking the options u can clearly see that - 4t^2 -8t+7 = 4(t-1)^2 +3 and now you need to find the minimum height attained so for this u jst need to differentiate f(t) and equal it to zero and then u'll get the value of time(t) at which the height is min. so differentiating f(t)= 4t^2 -8t +7 differentiating with respect to t and equal it to 0 u get 8t - 8 =0 t=1sec plug this value of t in f(t) u get 4t^2 - 8t +7 4(1)^2 -8(1)+7 =3
imqwerty
  • imqwerty
so the answer is A

Looking for something else?

Not the answer you are looking for? Search for more explanations.

More answers

anonymous
  • anonymous
Thank you so much! ^.^
imqwerty
  • imqwerty
no prblem :)

Looking for something else?

Not the answer you are looking for? Search for more explanations.