Mathematics 10 — Exercise Review · Q2 (v)

Full question

For f(x), evaluate f(7).

Step-by-step solution

1. Replace every x in the function by the specified input.

   $$25-7^2$$

2. Calculate this operation before combining the remaining terms.

   $$7^2=49$$

3. Calculate this operation before combining the remaining terms.

   $$\left(-1\right)\times 49=-49$$

4. Calculate this operation before combining the remaining terms.

   $$25-49=-24$$

5. The computed output is the function value at this input.

   $$-24$$

Answer

The final answer is shown below.