Question

If f(x) = x2 and g(x) =x are two functions from r to R then f(g(2)) is
a) 4

b) 8

c) 1

d) 2​

Answer 1

Answer:

@4

Step-by-step explanation:

f(x)=x²;g(x)=x

g(2)=2

f(g(2))=(g(2))²=2²=4

Answer 2

SOLUTION

TO CHOOSE THE CORRECT OPTION

If f(x) = x² and g(x) = x are two functions from R to R then f(g(2)) is

a) 4

b) 8

c) 1

d) 2

EVALUATION

Here two real valued function are

f(x) = x² and g(x) = x

We have to find the value of f(g(2))

g(2) = 2

Now

f(g(2))

= f(2)

= 2²

= 4

FINAL ANSWER

Hence the correct option is a) 4

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