Which rule should be applied to reflect f(x)=x^3 over the y-axis?
2 answers:
Answer:
Substitute in place for x.
Step-by-step explanation:
We have been given a function . We are asked to reflect our given function over the y-axis.
We know that after reflecting a function over y-axis, the y-coordinates remains same, while sign of x-coordinates changes to opposite.
The rule of reflection of a point over y-axis is .
Therefore, we need to substitute in place for x in our given function and simplify the equation.
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Answer:
The cost is $9.70 per kilogram.
Step-by-step explanation:
This can be solved by a rule of three.
In a rule of three problem, the first step is identifying the measures and how they are related, if their relationship is direct of inverse.
When the relationship between the measures is direct, as the value of one measure increases, the value of the other measure is going to increase too. In this case, the rule of three is a cross multiplication.
When the relationship between the measures is inverse, as the value of one measure increases, the value of the other measure will decrease. In this case, the rule of three is a line multiplication.
In this problem, the measures are the weight of the cheese and the price. As the weight increases, so does the price. It means that this is a direct rule of three.
Solution:
The problem states that cheese costs $4.40 per pound. Each kg has 2.2 pounds. How many kg are there in 1 pound. So:
1 pound - xkg
2.2 pound - 1 kg
kg
Since cheese costs $4.40 per pound, and each pound has 0.45kg, cheese costs $4.40 per 0.45kg. How much does is cost for 1kg?
$4.40 - 0.45kg
$x - 1kg
The cost is $9.70 per kilogram.
Answer:
Area of the garden = 16 ft²
Step-by-step explanation:
Given:
Base of garden = 8 Ft
Find:
Area of the garden = ?
First, we have to find height of the triangle.
Computation of area of the garden:
Area of the garden = 1/2 × b × h
Area of the garden = 1/2 × 8 × 4
Area of the garden = 16 ft²