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The function [tex]f(x) = 2x + 1[/tex] represents the altitude of a plane, where [tex]x[/tex] is the time in minutes.

The function [tex]g(x) = x^2 - 10[/tex] represents the time in minutes, where [tex]x[/tex] is the height in thousands of feet of the plane.

What is the value of [tex]f[g(10)][/tex]?

A. 271
B. 181
C. 90
D. 21

Answer :

To estimate the value for g(10), that means that you have to substitute 10 in every x of g(x), then [tex]$g(x) =x^2-10[/tex] exists g(10) = 90.

The value of g(10), we have to substitute in every x of f(x), the

[tex]f(x) = 2x + 1[/tex] exists f(90) = 181

Therefore, the value of f[g(10)] exists 181.

How to estimate the value of f[g(10)]?

To estimate the value for g(10), that means that you have to substitute 10 in every x of g(x), then

[tex]$g(x) =x^2-10[/tex]

substitute the value of x = 10

[tex]$g(10) = (10)^2-10[/tex]

simplifying the equation, we get

g(10) = 100 - 10

g(10) = 90

We have the value of g(10), we have to substitute in every x of f(x), then

f(x) = 2x + 1

substitute the value of x = 90

f(90) = 2(90) + 1

simplifying the equation, we get

f(90) = 180 + 1

f(90) = 181

The value of f[g(10)] exists 181.

Therefore, the correct answer is option b) 181.

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Rewritten by : Barada

The value of f[g(10)] is calculated by substituting 10 into g(x) to get 90, and then substituting 90 into f(x) to get the final result of 181.

The question asks for the value of f[g(10)] where f(x) = 2x + 1 and [tex]g(x) = x^2 - 10.[/tex]

First, we need to find the value of g(10).

By substituting 10 into g(x), we get [tex]g(10) = 10^2 - 10[/tex] = 100 - 10 = 90.

Next, we substitute this result into the function f to find f(g(10)).

We then have f(90) = 2(90) + 1 = 180 + 1 = 181.

Therefore, the value of f[g(10)] is 181.