subject
Mathematics, 17.10.2021 03:10 lia3865

If x=t^2-1 , y =t^4-2t^3 then when t=1 what's d^2y/dx^2? I've been struggling on this one. According to Barron's, the answer should be 1/2. But I arrive to 0 every time.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 13:00
Acar traveling at 65 mph leaves 25 foot skid mark what is the ratio of the speed to length of skid mark (feet) in the simplest form
Answers: 1
question
Mathematics, 21.06.2019 17:20
Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x
Answers: 1
question
Mathematics, 21.06.2019 17:30
Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?
Answers: 3
question
Mathematics, 21.06.2019 18:00
Darian wants to build a regulation size pool table that is 9 feet in length.he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table
Answers: 1
You know the right answer?
If then when t=1 what's d^2y/dx^2? I've been struggling on this one. According to Barron's, the a...
Questions
Questions on the website: 13722360