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irene003
23.10.2019 •
Mathematics
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
Solved
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Ответ:
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
Ответ:
531.441
Step-by-step explanation:
8.1*8.1*8.1 = Volume of a cube