6. Let f(x) = x − 1 and g(x) = (x + 2)², find the following: a) Domain of f(x) b) Range of f(x) c) Domain of g(x) e) (f- g) (x) = g) (fog)(x) = i) f¹(x) = d) Range of g(x) f) (f. g)(x) = h) (gof)(x) = j) Is g(x) a 1-1 function? Explain

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A: To evaluate the given integral.

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A: Given  It is Extraneous question

A: Given: I=∫e3xex−1dx

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A: Given that: y=ln(1+lnx)

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A: t-test: The t test is used to check if the averages of two groups are statistically different from…