Question

The function f(x)=2x+1 represents the altitude of a plane , where x is the time in minutes. The function g(x)=x^2-10 represents the time in minutes , where x is the height in thousands of feet of the plane. What is the value of f[g(10)?
271
181
90
21​

Answer 1

Answer:

181

Step-by-step explanation:

First, you need to find the value for g(10), that means that you have to substitute 10 in every x of g(x).

g(x)=x^2-10

g(10)=(10)^2-10

g(10)=100 - 10

g(10)= 90

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

f(x)=2x+1

f(90) = 2(90) +1

f(90) = 180 +1

f(90) = 181

So the value of f[g(10)] is 181

Answer 2

Answer:

181

Step-by-step explanation:

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