For this case we have the following functions:
The first thing we must do is calculate the sum of functions or equivalently:
We have then:
To complete the sum, we must add the terms whose exponents are equal.
We have then:
Then, we evaluate the function for x = 2:
Rewriting we have:
Answer:
Answer:
$411.30 in a month with 30 days
Step-by-step explanation:
$4.57 times 3= $13.71 per day
Assuming there are 30 days in a month, $13.71 times 30= approximately $411 monthly, or more specifically $411.30 in a month with 30 days.
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Answer:
6 units
Step-by-step explanation:
to calculate the distance d between the points use the distance formula
d = √(x₂ - x₁ )² + (y₂ - y₁)²
with (x₁, y₁ ) = (- 10, - 2) and (x₂, y₂ ) = (- 4, - 2)
d = 
= 
= 
= 6
Answer:
(b) 68
Step-by-step explanation:
Distance between two points:
Suppose that we have two points, 
and 
. The distance between them is given by:
Diagonal:
Diagonals are a line between opposite points in a square.
In this question, it is between A(0,3) and B(5,0), and between (0,0) and (5,3). Both these diagonals have the same measure, and are the distance between these points. So
Then sum of the squares of its both diagonals is units
Both diagonals measure 
. Sum of squares is:
The correct answer is given by option b.
