Answer:
3. 5, 4. 12
Explanation:
3.
g(a)=a^2+1
g(-2)=4+1=5
4.
f(x)=x^2+x
f(3)=9+3=12
2. 1
f(0) = 2(0) + 1
To solve these types of equations you just put the number where the variables are.
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