Use the graph to determine where the function is discontinuous.

At±2.5

Mathematics

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Find the exact value of the sum or difference. + 

A.
B.
C.
D. 10?

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Mathematics

For the following graph of function, f, determine

(a) f (?2)
(b) the domain
(c) all x-values such that f (x) = 1
(d) the range.

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Mathematics

Multiply and simplify.(1 + cot ?)2

A. csc2 ? + 2 cot ? B. sin ? + csc ? C. cos2 ? - cot ? D. 1 + 2 sin2 ?

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Mathematics

Find the indicated partial sum for the given sequence.Find the sum of the first 907 even positive integers.

A. 823,556 B. 824,464 C. 822,649 D. 821,742

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Mathematics