Practice problem
Let f(x)=ax2+bx+cf(x) = ax^2 + bx + cf(x)=ax2+bx+c be a quadratic. What is the leading coefficient of the polynomial f(x+1)−f(x)f(x+1) - f(x)f(x+1)−f(x)?
aaa
2a2a2a
a+ba+ba+b
a+ca+ca+c
Type a concept, like “slope” or “photosynthesis”.