Question

If f( a)= a^2-2a+1 what is the value of f(-4)​

Answer 1

25

Explanation:

f(-4) = (-4)² - 2(-4) + 1

= 16 + 8 + 1

= 25

Answer 2

Explanation:

For this you just plug in a = -4 into the function:

f(-4) = (-4)^2-2(-4)+1 = 25

25 should be the answer.