# Question #f36b9

##### 1 Answer

Jan 25, 2018

Refer explanation.

#### Explanation:

Given -

#y=x^4+8x^3#

To graph, a function, first find the turning points.

Find the first derivative and set it to zero, so that you know the value of

#dy/dx=4x^3+24x^2#

#dy/dx=0=>4x^3+24x^2=0#

#4x^2(x+6)=0#

#4x^2=0#

#x=0#

#x=-6#

At

Take a range of values that includes 0 and -6. Calculate the corresponding value of

At

At