Question: maximum: f (x) =-2x2 +4x (5 marks) Question 7 Given that z = -3 + 4i, find the modulus and argument of z and thus

maximum: f (x) =-2x2 +4x (5 marks) Question 7 Given that z = -3 + 4i, find the modulus and argument of z and thus express z in exponential form (give the argument to two decimal places). (5 marks) Question 8 Find the determinant and inverse of the following 2 x 2 matrix: B = 2 -31 (5 marks) T194 JUNE 2025 TURN OVER 3 PART B Answer TWO questions from this part. This part is worth 60% of the total exam mark. Plan to spend no longer than 60% W 09 BANG & prt ser insert backspace O 5 6 7 8 O a K G H N M

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