1.Evaluate the function. If the value is not a rational number, round your answer to three decimal places.

(a)sinh1=

(b)tanh(?2) =

2.Write a definite integral that yields the area of the region. (Do not evaluate the integral.)

f(x) = 6?3x

3.the picture i Attached

Use sigma notation to write the sum. [.(2+ 2) 7(2) +. + [ (2 + 24 ) 7(:) O Type here to search X Esc F2 F3 F4 F5 @ # S 2 3 4 5 Q W