What is the vertex of the function f(x) = x2 + 12x? (–6, –36)
(–6, 0)
(6, 0)
(6, –36)

walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40

pi x^2

step-by-step explanation:

pi times x squared

its very big question plz make it small