Question

2. If f(x) = 2x -1 and g(x) = xº are two real functions, then find (f+g)(0), (f-9)(2), (f)(1) and (4)​

Answer 1

Answer:

(f+g)(x)=f(x)+g(x)

=x

2

+2x+1

(f−g)(x)=f(x)−g(x)

=x

2

−(2x+1)

=x

2

−2x−1

(fg)(x)=f(x).g(x)

=x

2

(2x+1)

=2x

3

+x

2

(

g

f

)(x)=

g(x)

f(x)

(g(x)



=0)

=

2x+1

x

2

(x



=−

2

1

)

Answer 2

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.

.

.

• (f + g)(0) = 0

.

.

.

Hope it's helpful to you ☺️❣️