If f(x) = 2x^2 - 8x + 6, what is f(3)?

Practice Questions

Q1
If f(x) = 2x^2 - 8x + 6, what is f(3)?
  1. 0
  2. 2
  3. 6
  4. 12

Questions & Step-by-Step Solutions

If f(x) = 2x^2 - 8x + 6, what is f(3)?
  • Step 1: Identify the function f(x) = 2x^2 - 8x + 6.
  • Step 2: Substitute x = 3 into the function. This means we replace every x in the function with 3.
  • Step 3: Calculate 3 squared (3^2). This equals 9.
  • Step 4: Multiply 9 by 2. This gives us 2 * 9 = 18.
  • Step 5: Calculate 8 times 3. This equals 24.
  • Step 6: Now, put everything together: f(3) = 18 - 24 + 6.
  • Step 7: First, do the subtraction: 18 - 24 = -6.
  • Step 8: Now, add 6 to -6: -6 + 6 = 0.
  • Step 9: Therefore, f(3) = 0.
No concepts available.
Soulshift Feedback ×

On a scale of 0–10, how likely are you to recommend The Soulshift Academy?

Not likely Very likely