1. Find the absolute minimum and absolute maximum values of f on the given interval.   f(x) = ((x^2) − 1)^3, [−1, 4]   absolute minimum(    )   absolute maximum(    ) 2. Find the absolute maximum and

Please write down the detail step and correct answer, thanks a lot.




1. Find the absolute minimum and absolute maximum values of f on the given interval.

f(x) = (x2 − 1)3,    [−1, 4]

absolute minimum=

absolute maximum=


2. Find the absolute maximum and absolute minimum values of f on the given interval.

f(t) = 2 cos(t) + sin(2t),    [0, π/2]

absolute minimum=

absolute maximum=


3.Find the absolute minimum and absolute maximum values of f on the given interval.

f(t) = 3t + 3 cot(t/2),    

[π/4, 7π/4]

absolute minimum value

=

absolute maximum value=


4.Find the absolute maximum and absolute minimum values of f on the given interval.

f(t) = t64-t^2  [−1, 8]

absolute minimum value

=

absolute maximum value=


5.Find the absolute maximum and absolute minimum values of f on the given interval.

f(x) = xex2/72,    

[−512]

absolute minimum value

=

absolute maximum value=


6.Find the absolute minimum and absolute maximum values of f on the given interval.

f(x) = x − ln(2x),    [1/2,2]

absolute minimum=

absolute maximum=


  1. Find the dimensions of a rectangle with perimeter 84 m whose area is as large as possible. (If both values are the same number, enter it into both blanks.)

( )m (smaller value)

( )m (larger value)

  1. Find the dimensions of a rectangle with area 1,000 m2 whose perimeter is as small as possible. (If both values are the same number, enter it into both blanks.)

( )m (smaller value)

( )m (larger value)


9.A model used for the yield Y of an agricultural crop as a function of the nitrogen level N in the soil (measured in appropriate units) is

Y = 

kN

9 + N2


where k is a positive constant. What nitrogen level gives the best yield?

N=


10.The rate (in mg carbon/m3/h) at which photosynthesis takes place for a species of phytoplankton is modeled by the function

P = 

120I

I2 + I + 4

where I is the light intensity (measured in thousands of foot-candles). For what light intensity is P a maximum?

I= thousand foot-candles


  1. Consider the following problem: A box with an open top is to be constructed from a square piece of cardboard, 3 ft wide, by cutting out a square from each of the four corners and bending up the sides. Find the largest volume that such a box can have.

Finish solving the problem by finding the largest volume that such a box can have.

V= ( )ft^3


  1. A box with a square base and open top must have a volume of 4,000 cm3. Find the dimensions of the box that minimize the amount of material used.

sides of base

=( )cm

height =( )cm


  1. If 1,200 cm2 of material is available to make a box with a square base and an open top, find the largest possible volume of the box.

( )cm^3

13.(a) Use Newton's method with x1 = 1 to find the root of the equation 

x3 − x = 4

 correct to six decimal places.

x =

(b) Solve the equation in part (a) using x1 = 0.6 as the initial approximation.

x =

(c) Solve the equation in part (a) using x1 = 0.57. (You definitely need a programmable calculator for this part.)

x =


14.Use Newton's method to find all roots of the equation correct to six decimal places. (Enter your answers as a comma-separated list.)

3 cos x = x + 1

x =

15.Use Newton's method to find all roots of the equation correct to six decimal places. (Enter your answers as a comma-separated list.)

(x − 5)2 = ln(x)

x =


16.Use Newton's method to find all real roots of the equation correct to six decimal places. (Enter your answers as a comma-separated list.)

8

x

= 1 + x3

x=

17.A particle is moving with the given data. Find the position of the particle.

v(t) = 1.5* sqrt(t),    s(4) = 13

s(t) =

18. Find f.

f ''(θ) = sin(θ) + cos(θ),    f(0) = 2,    f '(0) = 3

f(θ) =

19. Find f.

f ''(x) = 4 + cos(x),    f(0) = −1,    f(7π/2) = 0

f(x)=

20.Find f.

f ''(t) = 3et + 8 sin(t),    f(0) = 0,    f(π) = 0 f(t)=