Problem 65 of 7
Evaluate h(x)=x^2+1 at the algebraic input k-3.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
substitute expressions like x+h or 2a.
Hidden until you reveal it.
Algebraic input must require substitution with parentheses and simplification.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Replace every x in the rule with the entire algebraic input.
2. Use parentheses around the substituted expression.
3. Simplify carefully.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Substitution that omits parentheses around grouped inputs.