exam Maths Puzzle Numerical Ability

1. a value decreased by 7

2. five more than one-third a number

3. four less than 7 times a number

4. 18 less than a number is 23 What is the number

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exam Other Question

11. is the function f(x)=x^5+4x-7 even, odd, or neither?

12. determine the intervals over which f(x)=(x^2-4)^2 is increasing, decreasing, or constant. may rides her bike the same distance that Leah walks. may rides her bike 10 km/h faster than Leah walks. If it takes May 1 h and Leah 3 h to travel that distance, how fast does each travel?