Todas as tarefas
Integral definido - MIP (I)
O valor do integral $\int_1^{e}\ln(x)dx$ é:
# Definite integral
Training
13
Integral definido (I)
O valor do integral $\displaystyle \int_0^1 \frac{y}{y^2+1}dy$ é:
# Definite integral
Training
13
Integral Definido
Se $f$ é uma função real de variável real, continua e $F'(x)=f(x), \forall x \in \mathbb{R}$, então $\int_1^3 f(2x)dx$ é:
# Definite integral
Training
13
Modelling linear functions
Imagine that you want to buy some pens. In the shop near home one pen cost 0,80 euro, online one pen cost 0,60 euro but the shipping fees are 3 euro.
How many pens you have to buy in order to spend the same money in each shop?
# Linear functions
Training
8
Two straigh lines intersection
Identify the relative positions of this two straigh lines:
$y=2x-4$
$y=2x-2$
# Linear functions
Learning
8
Point of intersection
Determine a possible point of intersection of the given two lines.
$f(x)=0,5x+4,5$
$g(x)=22-3x$
# Linear functions
Training
8