05/16/20

Let Φ: [0,π] → ℝ; x ↦ Φ(x) = x –√(2)sin(x). Find the global extreme values of Φ on [0,π].(The only thing under the sqr rt is 2)

01/30/20

#### Related Rates with shadows

On a morning of a day when the sun will pass directly​ overhead, the shadow of a 72​-ft building on level ground is 30 ft​ long, as shown in the figure. At the moment in​ question, the angle theta... more

05/14/19

#### which of the following functions is not differentiable at x = 0?

a. f(x) = sqrt(x)b. f(x) = e^xc. g(x) = tan xd. f(x) = arcsin x

01/01/19

#### For what values of a and b is the function continuous and differentiable?

g(x) = { x^2-a , x≤ 2 bx-8 , x>2

12/27/18

12/11/18

#### Filling Swimming Pool Related Rates Problem

Spring in Southern California has finally arrived. You are looking forward to filling your swimming pool, which has a length of 10 meters and ends with trapezoidal shape.... more

12/08/17

#### Find an average value

Find the average value of the function over the given interval.f(x) =8/x^2 , [2, 4]

10/07/17

#### find all solutions

three times the sum of a number and six is less than or equal to the number increased by five. Find all solutions

10/07/17

#### what shape is formed by the segments between the points of intersection of the four lines in the description?

Two lines, aa and bb, are perpendicular to line cc. Line dd is parallel to line cc. The distance between lines aa and bb is xx meters. The distance between lines cc and dd is yy meters.What shape... more

10/07/17

04/04/16

11/18/15

#### Solve For All Values of X

Solve for ALL values of x in the real number system.  If an EXACT solution does not exist, round your answers to the nearest hundredth.   sin2x = sinx

11/10/15

#### 5x2y - 3xy2= 14. Show that the point (2,1) is on this graph. Find an expression for dy/dx and find the value of the slope at (2,1)

5x2y - 3xy2= 14. Show that the point (2,1) is on this graph. Find an expression for dy/dx and find the value of the slope at (2,1)

10/13/15

#### Give a formula for the extended function

F9x) = 3-√x / 9-x that is continuous at a=9

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