To reflect a function across the y-axis you have to change

So, the function becomes

The degree of the sum and difference of the polynomials are 6 and 7 respectively.
given polynomials are:


the sum of polynomials = 
the difference of polynomials = 
<h3>what is the degree of a polynomial?</h3>
A polynomial's degree is the highest or the greatest power of a variable in a polynomial equation.
degree of sum = monomial with highest power = 5+1=6
degree of difference = monomial with highest power = 3+4 = 7
therefore, the degree of the sum and difference of the polynomials are 6 and 7 respectively.
to get more about polynomials refer to:
brainly.com/question/1600696
Answer:
Where is the graph my friend??
Point form: (1,-3)
Equation form: x=1, y=-3
Markup is the difference between the cost of a good or service and its selling price. A markup is added onto the total cost incurred by the producer of a good or service in order to create a profit. The total cost reflects the total amount of both fixed and variable expenses to produce and distribute a product.so it would be 144 - 90 = 54. $54 would be the markup.