47 - 5*3 - 2*1 = 30. 30/3 = 3, so add three plus five plus two = 10 kids
Answer:
The answer to your question is: third option, it's a parabola
Step-by-step explanation:
f(x) = (x + 4)²
f(x) = x² + 4
f(x) = (x - 4)² I think this is the right answer, because when get the vertex, the signs are changed, if the -4 is negative, it means that the graph must be located in +4.
f(x) = x² - 4
Answer:
30
Step-by-step explanation:
Answer:
C option is correct.
t = 8 +- √
1−
4
d
Step-by-step explanation:
d=−16t^2 +4t
t= (1+
√
1−
4
d) / 8
t
=
(1
−
√
1
−
4
d ) / 8
