45 +4(z+ 5). He wants to know if öne Martin is considering the expressions (7a + 48) and- (a) greater than the other for all values of a. Part A Which statement about the relationship between the expressions is truer The value of the expression (7z + 48) is always equal to the value of the expression + (z + 5). 1. The value of the expression (7z + 48) is always less than the value of the expression + 4 (z + 5). 1 The value of the expression (7z + 48) is always greater than the value of the expression 2N + 4 (z + 5). The value of the expression 5 (7z + 48)is sometimes greater than and sometimes less than the value of the expression - +4 (z + 5). (b) Part B Show or explain how you found your answer to Part A. Enter your work or your explanation in the box provided. (c) Part C Write a new expression that always has a greater value than both of these expressions. Enter your expressions in the box provided.

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