What is the inverse of the function f(x) = 2x – 10? h(x) = 2x – 5 h(x) = 2x + 5 h(x) = x – 5 h(x) = x + 5
f(x) = 2x-10
y = 2x -10
Switch y and x,
x = 2y -10
solve for y,
x + 10 = 2y
x/2 + 10/2 = y
x/2 + 5 = y
y = x/2 + 5 or h(x) = x/2 + 5
Hence, the inverse of the function f(x) = 2x-10 is h(x) = x/2 + 5
The inverse of a function is gotten by swapping the x and y coordinates.
The inverse of function f(x) is\(h(x) = \frac x2 + 5\)
Given
\(f(x) = 2x - 10\)
Rewrite as:
\(y = 2x - 10\)
Swap x and y
\(x = 2y - 10\)
Solve for y
\(2y = x + 10\)
Divide by 2
\(y = \frac x2 + 5\)
So, we have:
\(h(x) = \frac x2 + 5\)
Hence, the inverse function is\(h(x) = \frac x2 + 5\)
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