exam Maths Puzzle Numerical Ability

3. Take a look at the table below and write out an equation for f(x).
x -2 -1 0 1 2
f(x) -5 -2 1 4 7

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exam Other Question

Please help me solve this equation:

5x^-4 after the little arrow its suppose to be a negative 4. So its 5 times x and then a negative exponent which is negative 4

Thank You A store buys an item for $30. It also has $8 of expenses associated with this item and wishes to make a profit. The store's total handling cost is

a. $11.00
b. $33.