Respuesta :
D. Because you fill in x-3 for x so it’s -5(x-3)+10 so it’s -5x+15+10 also known as -5x+25.
Steps to solve:
f(x) = -5x + 10; x - 3
~Substitute
f(x - 3) = -5(x - 3) + 10
~Distribute
f(x - 3) = -5x + 15 + 10
~Combine like terms
f(x - 3) = -5x + 25
Therefore, the answer is D
Best of Luck!