2000samantha
01.09.2019 •
Mathematics
What is the inverse of the function f(x) = 2x – 10?
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Ответ:
f(x)⁻¹ = (x+10)/2
WORKING OUT:
f(x) = 2x - 10
y = 2x - 10
*Replace all 'y' values with 'x' and vice versa*
x = 2y - 10
*Make y the subject of the equation*
2y = x+10
y = (x+10)/2
Ответ:
Step-by-step explanation:
Given:
The length of the game board,
The width of the game board,
So, area of the game board is given as:
.
Therefore, the area of the game board can be expression in the form as , where,