Which scenario best expresses a 400% increase

B.

Step-by-step explanation:

See attachment for complete question

Analysing each of the options.

Option 1. 1 to 400

First, calculate the difference

Difference = 400 - 1 = 399

Then divide by the initial values

%increase = 399/1

%increase = 399

Convert to percentage

%increase = 399 * 100%

%increase = 39900%

This doesn't represent 400% increase

Option 2: 9 to 45

First, calculate the difference

Difference = 45 - 9 = 36

Then divide by the initial values

%increase = 36/9

%increase = 4

Convert to percentage

%increase = 4 * 100%

%increase = 400%

This represent 400% increase

Hence, option B answers the question.

x= -3 and

step-by-step explanation:

to find the roots of a cubic, use division or factoring to find the factors then set equal to 0. as this is a difference of cubes, it factors into

where a is the cube root of .

here   this is 27 and the cube root of 27 is 3. so we write using the form:

.

set each factor to 0 and solve for x.

x-3=0

x=3

the quadratic expression does not factor and must be solved using the quadratic formula.

where a = 1, b=3, and c=9

this cubic has two complex roots.

where is the graph, sweetheart?

step-by-step explanation: