Solve f(x)=x² When f(6)=6+a: Finding the Missing Value

Complete:

the value a a The subtraction of the function point:

f(x)=x2 f(x)=x^2

f(6)=6+a f(6)=6+a

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Find A
00:04 Substitute appropriate values according to the given data, and solve for A
00:16 Calculate the exponent
00:26 Isolate the unknown A
00:30 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

Complete:

the value a a The subtraction of the function point:

f(x)=x2 f(x)=x^2

f(6)=6+a f(6)=6+a

2

Step-by-step solution

To solve this problem, we will follow a methodical approach:

  • Step 1: Evaluate f(6) f(6) using the function f(x)=x2 f(x) = x^2 .
  • Step 2: Set f(6)=6+a f(6) = 6 + a and solve for a a .

Now, let's apply these steps:
Step 1: Compute f(6) f(6) . Since f(x)=x2 f(x) = x^2 , we have f(6)=62=36 f(6) = 6^2 = 36 .
Step 2: We are given that f(6)=6+a f(6) = 6 + a . Therefore, substitute the evaluated value:
36=6+a 36 = 6 + a .

To find a a , solve the equation 36=6+a 36 = 6 + a . Subtract 6 6 from both sides:

366=a 36 - 6 = a which simplifies to a=30 a = 30 .

Therefore, the solution to the problem is a=30 a = 30 .

3

Final Answer

a=30 a=30

Practice Quiz

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What is the value of y for the function?

\( y=x^2 \)

of the point \( x=2 \)?

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