Let f be defined by the function f(x) = 1/(x^2+9) (a) Evaluate the improper integral or show that the integral diverges
(b) Determine whether the series ∑n=3∞ f(n) converges or diverges State the conditions of the test used for determining convergence or divergence
(c) Determine whether the series ∑n=1∞(−1)n(en⋅f(n))=∑n=1∞(−1)n(n2+9 )en converges absolutely, converges conditionally, or diverges (image put below)

ummm seems that u didnt post the attachement !

according to egenuity the answer is

step-by-step explanation:

d. 344.22

8+10

step-by-step explanation:

you multiply 4 by 2 and 5 by 2

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step-by-step explanation: