? can be any number except for 3 or -2 as it is already used in (3,4), (-2,-5)
D.
f(x) can be written as (x+2)(x-2)(x-1)
by using difference of two squares to expand x^2 - 4 whch yields 3 x intercepts
similarly, k(x) can be written as
x(x+5)(x-5) which also yields 3
x intercepts (0,-5, and 5)
Answer:
r=4
Step-by-step explanation:
15r-6r=36
9r=36
r=36/9
r=4