Question

A function f(x) has x-intercepts of –3 and –5. What is the constant term in the function?

f(x) = x2 + 8x +

Answer 1

Explanation:

hello :

A function f(x) has x-intercepts of –3 and –5 means :

f(x) = (x+3)(x+5)

so : f(x) =x²+8x +15

so : b=15