Pregunta
-
a. Write the equation of
.
b. In what way is the slope of
related to
the slope of
and the slope of
?
(Include increasing or decreasing in your
answer. Also identify which function is
increasing faster.)
c. In what way is the
-intercept of
related
to the
-intercepts of
and of
?
d. Is
the equation of a line? Justify your
answer.
a. Write the equation of
b. In what way is the slope of
the slope of
(Include increasing or decreasing in your
answer. Also identify which function is
increasing faster.)
c. In what way is the
to the
d. Is
answer.
Ask by Griffin Ramirez. in the United States
Jan 24,2025
Solución de inteligencia artificial de Upstudy
Respuesta verificada por el tutor
Responder
a. The equation of
is
.
b. The slope of
is the sum of the slopes of
and
. If
,
is increasing; if
, it is decreasing. The function with the larger absolute slope increases or decreases
more rapidly.
c. The
-intercept of
is the sum of the
-intercepts of
and
, i.e.,
.
d. Yes,
is the equation of a line because it is in the form
, where
and
.
Solución

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Como
Beyond the Answer
To tackle your queries about
, let’s dive into the details!
The equation of
is simply expressed as the sum of the equations defining
and
. If for example,
is represented as
and
as
, then we can write
. This means the new slope is
while the new y-intercept is
.
Now, concerning slopes, if
has a slope
and
has a slope
, then
has a combined slope of
. If both slopes are positive,
is increasing, and the function with the steeper slope (larger absolute value) will contribute to
increasing faster. If one function has a negative slope, however, it could decrease depending on which has a greater magnitude.
As for the y-intercepts, the y-intercept of
can be found by evaluating the y-values of
and
at
. Thus,
translates to
. So it’s a straightforward addition of the y-intercepts of the two functions.
Finally, yes,
is indeed the equation of a line, provided that
and
are both linear functions. The sum of two linear equations yields another linear equation, maintaining the form of
! So go ahead and graph those functions—straight lines galore!
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