E = (1+I/m)^m -1

Here

I = .075/2 (semi annually)

= 0.0375

m = 2

Putting the value in the formula you will get

e = (1 + 0.0375)^2 - 1

= (1.0375)^2-1

= 1.076406 -1

= 0.076406

= 7.6406% >>>answer

Here

I = .075/2 (semi annually)

= 0.0375

m = 2

Putting the value in the formula you will get

e = (1 + 0.0375)^2 - 1

= (1.0375)^2-1

= 1.076406 -1

= 0.076406

= 7.6406% >>>answer