Answer:
4
Step-by-step explanation:
   28 = 22 • 7  
    12 = 22 • 3  
    32 = 25 
 
        
             
        
        
        
9514 1404 393
Answer:
   h(0) = 1.2
Step-by-step explanation:
The y-intercept is h(0). When x=0, the exponential term evaluates to 1, so the y-intercept is the multiplier of the exponential term.
   h(0) = 1.2 . . . the y-intercept
 
        
             
        
        
        
Answer:
A= 16 B=28
Step-by-step explanation:
So the ration is 4:7, you have to find multiples that have that same ratio
Multiply both numbers by 4, this should get you
16:28
16 + 28 = 44
Therefore this is the correct answer
 
        
             
        
        
        
Answer:
 , option B
, option B
Step-by-step explanation:
Complex numbers:
The most important relation that involves complex numbers is given by:

Solving a quadratic equation:
Given a second order polynomial expressed by the following equation:
 .
.
This polynomial has roots  such that
 such that  , given by the following formulas:
, given by the following formulas:



In this question:
The solutions are:

We have to find the polynomial. All option have  . So
. So

The correct answer is given by option b.