Take derivative..
f'(x) = 3*2*(x+4)
f'(x) is must be equal to 0.
6*(x+4)=0
x=-4
for x=-4; what is the y value?
for x=-4; f(x)=-5
the vertex is (-4,-5)<span />
Answer:
In the picture above.
Step-by-step explanation:
Using some identities for solution
I hope that it's a clear solution.
Answer:
$3.30
Step-by-step explanation:
15 pencils * .22 cents. = 3 dollars and 30 cents !