Answer:
a)
Step-by-step explanation:
Answer:
3*(n + 3) - 2n
(n +3) is the starting point. and an increase in 3 times is 3*(n + 3) - 2n
Answer:
2.5
Step-by-step explanation:
(6)cos(65)
Answer:
D. (-2,1)
Step-by-step explanation:
we have

This is the equation of a vertical parabola open upward The vertex represent a maximum
Convert the quadratic equation in vertex form

where
(h,k) is the vertex
Complete the square



Rewrite as perfect squares

The vertex is the point (-2,1)
The equivalent expression of
is 
<h3>How to determine the
equivalent expression?</h3>
The expression is given as:
1 minus StartFraction 1 Over x EndFraction divided by 2
Rewrite properly as:

Express the division as product

Evaluate the product

Take the LCM

Hence, the equivalent expression of
is 
Read more about equivalent expression at:
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