Question

substitute 3 for x in the expression.
7 + x⁴ = 7 + ( ? )⁴
options: 3, 4, 7

Explanation:

Step1: Understand substitution

We need to substitute \( x = 3 \) into the expression \( 7 + x^4 \). So we replace \( x \) with 3 in the term \( x^4 \).

Step2: Identify the value

The expression becomes \( 7 + (3)^4 \), so the value inside the parentheses should be 3.

Answer:

3 (corresponding to the option with value 3)