Answer:
3 + 15
5 + 15
kalalalalalalalalalalasla
Step-by-step explanation:
//I'll use the discriminant rule for this.
b^2 - 4ac = 0 when one real root
Therefore, k^2 - 4*3*4= 0
k^2 = 48
k= +-4√3
1) Find g (4) by substituting 4 in place of x in g (x).
g(4) = 4^3 = 64
2) Substitute 64 in place of the x in f(x)
f(64) = 2(64) + 5
= 128 + 5
= 133