01/27/21

#### Calculate the average rate of change of the given function over the given interval.

f(x)=1/x ;  [8, 9]=?

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

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

05/20/19

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

12/14/18

#### A particle moves along the x-axis with position function s(t) = xe^x. How many times in the interval [-5, 5] is the velocity equal to 0?

One TwoThree more than three

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

General Math

04/14/16

#### Write an equation of a line that passes through the point (3, 2) and is parallel to the line y = 3x - 4.

Write an equation of a line that passes through the point (3, 2) and is parallel to the line y = 3x − 4.

04/05/16

04/04/16

#### (X-1)^-2=25

It is a math problem and I have to solve for x in the equation

04/04/16

The financial board of a corporation invested $25,000 overseas, part at 6% and part at 9% annual interest. Find the amount invested at each rate if the first-year combined income from the two... more 04/04/16 #### How much interest does$ 1,000 earn in three months at an interest rate of 6%, compounded quarterly? What is the balance after three months?

This math problem is from a business math class and there teaching us semiannual compounding right now

03/30/16

#### The half-life of a radioactive kind of lead is 3 hours. How much will be left after 9 hours, if you start with 80 grams of it?

3 hours, 80 grams

03/30/16

#### A discrete probability distribution that applies to occurrences of some event over a specified interval

A discrete probability distribution that applies to occurrences of some event over a specified interval, where the random variable x is the number of occurrences of the event in an interval, is... more

03/30/16

#### $6300 is invested, part of it at 12% and part of it at 9%. For a certain year, the total yield is$660.00. How much was invested at each rate?

$6300 is invested, part of it at 12% and part of it at 9%. For a certain year, the total yield is$660.00. How much was invested at each rate?

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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