12 Answered Questions for the topic Concave

06/05/18

#### Concave Mirror Problems

The famous Chinese magician Foo Ling Yu performs a classic magic trick using a concave mirror with a focal length of 1.6 m. Foo uses the mirror to produce an image of a light bulb that is the same... more

06/03/18

#### Derivative Equations

Let f(x)=x^3+3x^2-144x+1    on what interval is f increasing (including the endpoints in the the interval)? Interval of increasing = ----   On what interval is f decreasing (including the... more
Concave

10/20/17

4x2+16x-3

11/22/15

#### find domain, range, max, min, inc, dec, con cavity, abs max min

F(x)=2x4-3x3-10x2+20, find domain, range, maximum, minimum, increasing, decreasing, concavity, inflection points, absolute max/min?
Concave Intervals

01/04/15

#### Ap Calculus, Intervals

Determine the open intervals whewhere the graph of f (x)=-(1)/(x+1)^2 is concave up or concave down.

11/16/14

#### Having trouble calculating concave up and concave down?

Here is the question I am having trouble withL   Calculate the second derivative of f. Find where f is concave up, concave down, and has inflection points. f(x)= (3x^2) / (x^2 + 49)?*I figured... more

06/20/14

#### Solve the questions about the function

Suppose that  f(x)= (3x)/(x^2-49).  A.List all critical numbers of f. If there are no critical numbers, enter 'NONE'.  B.  Use interval notation to indicate where f(x) is decreasing.  C. List... more
Concave Inflection

06/20/14

#### Find the open intervals on which f is concave up (down). Then determine the x-coordiantes of all inflection points of f.

Let f(x)=(7x-2)/(x+2). Find the open intervals on which f is concave up (down). Then determine the x-coordiantes of all inflection points of f. 1. f is concave up on these intervals?= 2. f is... more

06/19/14

#### Find the open intervals on which f is concave up (down). Then determine the x-coordinates of all inflection points of f.

Let f(x)=(7x-2)/(x+2). Find the open intervals on which f is concave up (down). Then determine the x-coordinates of all inflection points of f.  1. f is concave up on which intervals? 2. f is... more

06/18/14

#### Determine the x-coordinates of all inflection points of f.

Let f(x)= (7x-2)/(x+2). Find the open intervals on which f is concave up (down). Then determine the x-coordinates of all inflection points of f.  1. f is concave up on the intervals= 2. f is... more

06/18/14

#### List all critical numbers of f.

Suppose that  f(x)- (3x)/(x2-49)   A)List all critical numbers of f. B) Use interval notation to indicate where f(x) is decreasing C) List the x-values of all local maxima of f.  D) List the... more

06/18/14

#### Answer the following questions for the function

Answer the following questions for the function f(x)= (x3)/(x2-9) defined on the interval [-17,15].   Enter points, such as inflection points in ascending order, i.e. smallest x values... more

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