The acceleration function, initial velocity, and initial position of a particle are a ( t ) = − 5 cos t i − 5 sin t j , v ( 0 ) = 9 i + 2 j , and r ( 0 ) = 5 i . Find v ( t ) and r ( t ) .
The acceleration function, initial velocity, and initial position of a particle are a ( t ) = − 5 cos t i − 5 sin t j , v ( 0 ) = 9 i + 2 j , and r ( 0 ) = 5 i . Find v ( t ) and r ( t ) .
The acceleration function, initial velocity, and initial position of a particle are
a
(
t
)
=
−
5
cos
t
i
−
5
sin
t
j
,
v
(
0
)
=
9
i
+
2
j
, and
r
(
0
)
=
5
i
. Find
v
(
t
)
and
r
(
t
)
.
Consider the function f(x) = x²-1.
(a) Find the instantaneous rate of change of f(x) at x=1 using the definition of the derivative.
Show all your steps clearly.
(b) Sketch the graph of f(x) around x = 1. Draw the secant line passing through the points on the
graph where x 1 and x->
1+h (for a small positive value of h, illustrate conceptually). Then,
draw the tangent line to the graph at x=1. Explain how the slope of the tangent line relates to the
value you found in part (a).
(c) In a few sentences, explain what the instantaneous rate of change of f(x) at x = 1 represents in
the context of the graph of f(x). How does the rate of change of this function vary at different
points?
1. The graph of ƒ is given. Use the graph to evaluate each of the following values. If a value does not exist,
state that fact.
и
(a) f'(-5)
(b) f'(-3)
(c) f'(0)
(d) f'(5)
2. Find an equation of the tangent line to the graph of y = g(x) at x = 5 if g(5) = −3 and g'(5)
=
4.
-
3. If an equation of the tangent line to the graph of y = f(x) at the point where x 2 is y = 4x — 5, find ƒ(2)
and f'(2).
A marketing agency wants to determine whether different advertising platforms generate significantly different levels of customer engagement. The agency measures the average number of daily clicks on ads for three platforms: Social Media, Search Engines, and Email Campaigns. The agency collects data on daily clicks for each platform over a 10-day period and wants to test whether there is a statistically significant difference in the mean number of daily clicks among these platforms. Conduct ANOVA test.
You can provide your answer by inserting a text box and the answer must include: also please provide a step by on getting the answers in excel
Null hypothesis,
Alternative hypothesis,
Show answer (output table/summary table), and
Conclusion based on the P value.
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