If f(x) = x^2+ 3x + 5 what is f(3+h)?

1 answer:

5 0

Answer: 23+9h+h^2

Step-by-step explanation:

f(3+h)=(3+h)^2+3(3+h)+5=

= 3^2+2*3*h+h^2+3*3+3*h+5=

= 9+6h+h^2+9+3h+5=

= 23+9h+h^2

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