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Whats the value of f(2)+1

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The calculated value of the function f(2) + 1 is 17 for f(x) = -x² +8x + 4

How to evaluate the function f(2) + 1

From the question, we have the following parameters that can be used in our computation:

The equation of the function is given as

f(x) = -x² +8x + 4

The expression f(2) means that x = 2

So, we have:

f(2) = -(2)² + 8(2) + 4

Evaluate the exponent and the product

f(2) = -4 + 16 + 4

Evaluate the sum and the difference

f(2) = 16

Add 1 to both sides

f(2) + 1 = 17

Hence, the value of the function f(2) + 1 is 17

Question

What's the value of f(2) + 1 for f(x) = -x² +8x + 4

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