Graph the function defined by g ( r ) = { 1 + cos ( π r / 2 ) for − 2 ≤ r ≤ 2 0 for r < − 2 or r > 2. (a) Is g continuous at r = 2? Explain your answer. (b) Do you think g is differentiable at r = 2? Explain your answer.
Graph the function defined by g ( r ) = { 1 + cos ( π r / 2 ) for − 2 ≤ r ≤ 2 0 for r < − 2 or r > 2. (a) Is g continuous at r = 2? Explain your answer. (b) Do you think g is differentiable at r = 2? Explain your answer.
Consider the function f(x) = cos(x2 – 2) + 1 on the interval (-3,3). Calculate the two x-intercepts of this function on the given interval. Express your answers in exact form, as a comma separated list. You may not use the zero/root functionality of a calculator
to do this; you must show all of your work and explain your reasoning, where necessary.
X =
Q1: Draw the graphs of the following functions:
For the function y=4 sin (4x+Tt/2) +2
.. find a ,b &c
a
d
e
-21/5, -n/5, T/5 O
-T/3 , T/3 , 21/3 O
21/3 , 5n/3 , 71/3 O
-T/4,-T/8,0 O
Tt/7, 3n/7, 5n/7 O
-T/8 ,0, 1/8
O
0 أخری
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