Line W passes through the following points on the coordinate grid: (0,-9) and (4,-1).What is the slope of line W?
1 answer:
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The equation that can be used to represent the area of the triangle is A(x) = 0.5(f ∙ g)(x) ⇒ 2nd answer
Step-by-step explanation:
The formula of the area of a triangle is A = b h, where
- b is the length of the base of the triangle
- h is the length of the height of the triangle
∵ The area of the triangle when x = 2 is 14
∴ The base and the height of the triangle are functions of x
Assume that the length of the base of the triangle is represented by f(x) and the length of the height of the triangle is represented by g(x)
∵ A = = b h
∵ b = f(x)
∵ h = g(x)
- Substitute b by f(x) and h by g(x) in the rule and replace A by
A(x) because the area of the triangle is a function of x
∴ A(x) = f(x) . g(x)
∵ f(x) . g(x) can be written as (f . g)(x)
∴ A = (f . g)(x)
∵ = 0.5
∴ A = 0.5(f . g)(x)
The equation that can be used to represent the area of the triangle is A(x) = 0.5(f ∙ g)(x)
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You can learn more about the functions in brainly.com/question/2645523
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