Respuesta :

kiramaemyers

Answer:

2. 1

Step-by-step explanation:

f(0) = 2(0) + 1

To solve these types of equations you just put the number where the variables are.

hillqryc

Answer:

3. 5, 4. 12

Step-by-step explanation:

3.

g(a)=a^2+1

g(-2)=4+1=5

4.

f(x)=x^2+x

f(3)=9+3=12

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