gavine1235 gavine1235

10-11-2017
Mathematics

contestada

A model jet is fired up in the air from a 20-foot platform with an initial upward velocity of 68 feet per second. The height of the jet above ground after t seconds is given by the equation h=-16t^2+68t+20, where h is the height of the jet in feet and t is the time in seconds since it is launched. What is the maximum height the jet reaches, to the nearest foot?

A.
92 feet
B.
20 feet
C.
68 feet
D.
16 feet

Respuesta :

Аноним Аноним

10-11-2017

Hello,

The way I do these kind of problem's is I find the simplest way to do this is to find the times when h = 20 So, your answer is D

Hope this helps

Answer Link

Otras preguntas

what point do all functions of the form y=bx have in commonexplain

Read the paragraph When Jerrika went camping, she made some observations. First, she noticed that rubbing two sticks of wood together can make a spark to start

Renton has been asked to present his colleague, Rebecca, with the "Journalist of the Year" award. What is important for him to remember to say in this speech? a

according to your notes on factors that influence public policy and the public policy agenda in a state, which elected official can have a significant impact?

Some of the earliest research on was conducted by Robert T. Paine, who actually coined the term keystone species. For over 25 years Paine and his students remov

Sari is studying four different samples of materials. This table shows the mass and volume of the samples. A 2-column table with 4 rows. The first column label

Please help! Need answer ASAP!

The term higher brain centers refers to those areas of the brain involved in higher-order functions. These centers would probably include nuclei, centers, and c

Adequate blood flow to the skin is necessary for healthy, viable tissues. Adequate skin perfusion requires four factors: 1. The heart must be able to pump adequ

The average rate of disappearance of ozone in the reaction is found to be 8.76× 10¯3atm over a certain interval of time. What is the rate of appearance of durin