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vekshin1
3 years ago
6

What is the inverse of the function f(x) = 2x - 10?

Mathematics
2 answers:
daser333 [38]3 years ago
5 0

For this case we must find the inverse of the following function:

f (x) = 2x-10

For it:

We change f (x) by y:

y = 2x-10

We exchange the variables:

x = 2y-10

We clear the value of the variable "and":

x + 10 = 2y\\y = \frac {x + 10} {2}\\y = \frac {x} {2} + \frac {10} {2}\\y = \frac {x} {2} +5

We change y forf^{-1}(x):

f ^{-1}(x) = \frac {x} {2} +5

Answer:

f ^ {- 1 }(x) = \frac {x} {2} +5

ollegr [7]3 years ago
4 0

Answer:

h(x) = x/2 + 5

Step-by-step explanation:

f(x) = 2x - 10

Step 1. Replace f(x) with y.

y = 2x - 10

Step 2. Switch variables x and y.

x = 2y - 10

Step 3. Solve for y.

2y - 10 = x

2y = x + 10

y = x/2 + 5

Step 4. Replace y with h(x)

h(x) = x/2 + 5

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