Topic
Q:
2. Quel est le nom d'une ligne qui
commence à un point donné et
s'étend à l'infini dans une seule
direction?
A) Un segment de droite
B) Une droite
C) Une demi-droite
D) Un cercle
3. Un segment de droite est :
A) Une ligne infinie sans début ni fin.
B) Une partie d'une droite limitée par
deux points.
C) Une ligne qui ne coupe jamais une
autre.
D) Une ligne qui continue indéfiniment
dans une direction.
est :
Q:
educir:
\( \sqrt{\left(\operatorname{Sen}^{2} x-\operatorname{Cos}^{2} x\right)\left(\operatorname{Sen}^{4} x+\operatorname{Cos}^{4} x\right)+\operatorname{Cos}^{8} x} \)
Q:
\( \sum _ { m - 1 } ^ { 5 } \frac { 7 } { m } = \)
Q:
Mostrar que toda función definida en el
intervalo \( f:[0,1] \rightarrow[0,1] \) tiene un punto
fijo
Q:
\( 1< \) Students stuff envelopes for extra money. Their initial cost to obtain the information for the job was \( \$ 650 \). Each
envelope costs \( \$ 0.03 \) and they get paid \( \$ 0.08 \) per envelope stuffed. Let \( x \) represent the number of envelopes stuffed.
(a) Express the cost \( C \) as a function of \( x \).
(b) Express the revenue \( R \) as a function of \( x \).
(c) Determine analytically the value of \( x \) for which revenue equals cost.
(a) \( C(x)=\square \) ( \( C \) in dollars)
(b) \( R(x)=\square \) (R in dollars)
(c) Revenue equals cost when \( x=\square \)
Q:
he degree is 3 and the zeros are 6 and \( 4+i \), write a polynomial
Q:
E Calcula el área aproximada de cada circulo, en cen-
timerros cuadrados, a partir de su radio \( r \) o de su
diámetro \( d \).
\( \begin{array}{ll}277 . r=7 \mathrm{~cm} & \text { 281. } d=18 \mathrm{~cm} \\ 278 . r=8,5 \mathrm{~cm} & 282 . d=21 \mathrm{~cm} \\ 279 . r=19 \mathrm{~cm} & 283 . d=12,5 \mathrm{~cm} \\ 280 . r=0,12 \mathrm{~m} & 284 . d=0,31 \mathrm{~m}\end{array} \)
Q:
A problem requires finding the number of cars on a dealer's lot. Which would
not be a reasonable answer? Justify your response.
\( \begin{array}{lll}\text { A. } 0 & \text { B. } 6 & \text { C. } 1 \\ \text { D. } 6 \frac{1}{2}\end{array} \)
A. 0 ; there cannot be a zero number of cars.
B. 6 ; there cannot be an even number of cars.
C. 1 ; there cannot be an odd number of cars.
D. \( 6 \frac{1}{2} \); there cannot be a fractional number of cars.
Q:
Calcule o sexto termo de uma PA. Sabendo
que a \( 1=-2 \) e \( r=1 / 3 \)
Q:
3) Maurice has a pet hamster. In October he spent
\( \$ 13.68 \) on hamster food
\( \$ 7.89 \) on wood shavings
\( \$ 21.14 \) on a new hamster wheel.
About how much money did he spend on his hamster? Estimate by rounding each amount
the nearest dollar.
Exactly how much did he spend on his hamster in October?
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