Answer:
2
Step-by-step explanation:
4x + 1 = 3x + 3
4x - 3x = 3 - 1
x = 2
2 x 4 + 1 = 9
3 x 2 + 3 = 9
Answer:
1) The third option.
2) The last option.
Step-by-step explanation:
1) f(x) is greater on the interval (0,3), which is opened, because if you substitute
you obtain the following result:

2) If
, you obtain that:

Therefore: 
Answer:14 m
Step-by-step explanation:
Dada
larga 
superficie 
Suponga que el ancho es w
La superficie está dada por el producto de la longitud y la anchura.

Por lo tanto, el ancho es de 14 m.
Answer:
perimeter: 4x+2 area: x^2+x
Step-by-step explanation:
for perimeter, you add x+x+x+x+1+1, which is 4x+2
for area, you multiply x*x+1, which would be x^2+x