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11 votes
11 votes
What is the value of f(x)=x21+4 when x = 8?

A. 0

B. 1

C. 6

D. 8

User Azarro
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2 Answers

12 votes
12 votes

Final answer:

The value f(8) for the given function f(x) = x² + 1 + 4 is 69, which does not match any of the provided multiple-choice options. There might be a typo in the function as provided.

Step-by-step explanation:

To evaluate the function f(x) = x² + 1 + 4 when x = 8, we substitute the value of x into the function:

f(8) = (8)² + 1 + 4 = 64 + 1 + 4 = 69.

However, this result is not listed among the options provided in the question (A. 0, B. 1, C. 6, D. 8). Thus, it's possible there might be a typo in the function presented in the question. Nonetheless, based on our calculations with the function provided, none of the options is correct. If the student meant the function to be f(x) = x² + 1, then the correct evaluation would be 65, which is also not in the given options.

User Markel
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20 votes
20 votes
When I did this equation I didn’t get any of these following answer choices, I apologize… Maybe the question was worded incorrectly? Please do let me know more info in the comments underneath this answer for I truly wish to help you out here :)

(P.S my work is shown below)
What is the value of f(x)=x21+4 when x = 8? A. 0 B. 1 C. 6 D. 8-example-1
User Linski
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3.4k points